Abstract algebra (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Abstract algebra" in English language version.

Last modified: 13:21:12, 3 August 2026 (UTC)

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4137doi.org

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3632springer.com

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22books.google.com

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22archive.org

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22semanticscholar.org

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22biodiversitylibrary.org

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22worldcat.org

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11ams.org

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11st-andrews.ac.uk

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11hathitrust.org

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11mmsengineering.ca

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ams.org (Global: 434^th place; English: 249^th place)

mathscinet.ams.org

van der Waerden, Bartel Leendert (1949). Modern Algebra. Vol I. Translated by Blum, Fred. New York, N. Y.: Frederick Ungar Publishing Co. MR 0029363.

archive.org (Global: 6^th place; English: 6^th place)

Kronecker, Leopold (1895). "Auseinandeesetzung einiger eigenschaften der klassenanzahl idealer complexer zahlen" [An exposition of some properties of the class number of ideal complex numbers]. In Hensel, Kurt (ed.). Leopold Kronecker's werke : Herausgegeben auf veranlassung der Königlich preussischen akademie der wissenschaften. Leipzig; Berlin: B.G. Teubner. p. 275.
Schumm, Bruce (2004), Deep Down Things, Baltimore: Johns Hopkins University Press, ISBN 0-8018-7971-X

biodiversitylibrary.org (Global: 168^th place; English: 136^th place)

Cockle, James (1848). "On Certain Functions Resembling Quaternions and on a New Imaginary in Algebra". The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science. 33. Taylor & Francis: 435–9. doi:10.1080/14786444808646139.
Cockle, James (1849). "On Systems of Algebra involving more than one Imaginary". The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science. 35. Taylor & Francis: 434–7. doi:10.1080/14786444908646384.

books.google.com (Global: 3^rd place; English: 3^rd place)

Finston, David R.; Morandi, Patrick J. (29 August 2014). Abstract Algebra: Structure and Application. Springer. p. 58. ISBN 978-3-319-04498-9. Much of our study of abstract algebra involves an analysis of structures and their operations
Euler, Leonhard (1748). Introductio in Analysin Infinitorum [Introduction to the Analysis of the Infinite] (in Latin). Vol. 1. Lucerne, Switzerland: Marc Michel Bosquet & Co. p. 104.

britannica.com (Global: 37^th place; English: 64^th place)

Corry, Leo. "Structural algebra". Britannica. Archived from the original on 16 December 2024. Retrieved 10 February 2025. Then in 1930 a textbook was published that presented a totally new image of the discipline. This was Moderne Algebra, by the Dutch mathematician Bartel van der Waerden, who since 1924 had attended lectures in Germany by Emmy Noether at Göttingen and by Emil Artin at Hamburg. Van der Waerden's new image of the discipline inverted the conceptual hierarchy of classical algebra. Groups, fields, rings, and other related concepts became the main focus, based on the implicit realization that all of these concepts were, in fact, instances of a more general, underlying idea: the idea of an algebraic structure.

doi.org (Global: 2^nd place; English: 2^nd place)

Kleiner 2007, p. 1. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. xi–xii. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 41. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 1–13. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 13–14. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 17–22. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 23. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Cayley, A. (1854). "On the theory of groups, as depending on the symbolic equation θⁿ = 1". Philosophical Magazine. 4th series. 7 (42): 40–47. doi:10.1080/14786445408647421.
Kleiner 2007, p. 27. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 32. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 33. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 34. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Frobenius, G. (April 2008) [1887]. "Neuer Beweis des Sylowschen Satzes" [New Proof of Sylow's Theorem] (PDF). Journal für die reine und angewandte Mathematik (in German). 1887 (100). Translated by Gutfraind, Sasha: 179–181. doi:10.1515/crll.1887.100.179. S2CID 117970003.
Kleiner 2007, p. 35. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 42–43. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Cockle, James (1848). "On Certain Functions Resembling Quaternions and on a New Imaginary in Algebra". The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science. 33. Taylor & Francis: 435–9. doi:10.1080/14786444808646139.
Cockle, James (1849). "On Systems of Algebra involving more than one Imaginary". The London, Edinburgh and Dublin Philosophical Magazine and Journal of Science. 35. Taylor & Francis: 434–7. doi:10.1080/14786444908646384.
Kleiner 2007, p. 43. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 43–47. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 42. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 48. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 50. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 51–52. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 54. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 54–57. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 57–58. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Gordan, Paul (1868), "Beweis, dass jede Covariante und Invariante einer binären Form eine ganze Funktion mit numerischen Coeffizienten einer endlichen Anzahl solcher Formen ist", Journal für die reine und angewandte Mathematik, vol. 1868, no. 69, pp. 323–354, doi:10.1515/crll.1868.69.323, S2CID 120689164
Kleiner 2007, p. 58. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 58–59. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 59. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 60. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 70. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 66. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 67. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 72–73. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 74–76. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Gray, Jeremy (2018). A History of Abstract Algebra: From Algebraic Equations to Modern Algebra. Springer Undergraduate Mathematics Series. Springer Cham. doi:10.1007/978-3-319-94773-0. ISBN 978-3-319-94772-3. Retrieved 10 February 2025.

hathitrust.org (Global: 296^th place; English: 153^rd place)

babel.hathitrust.org

Cayley, A. (1854). "On the theory of groups, as depending on the symbolic equation θⁿ = 1". Philosophical Magazine. 4th series. 7 (42): 40–47. doi:10.1080/14786445408647421.

mmsengineering.ca (Global: low place; English: low place)

Frobenius, G. (April 2008) [1887]. "Neuer Beweis des Sylowschen Satzes" [New Proof of Sylow's Theorem] (PDF). Journal für die reine und angewandte Mathematik (in German). 1887 (100). Translated by Gutfraind, Sasha: 179–181. doi:10.1515/crll.1887.100.179. S2CID 117970003.

projecteuclid.org (Global: 4,781^st place; English: 3,117^th place)

Corry, Leo (January 2000). "The origins of the definition of abstract rings". Modern Logic. 8 (1–2): 5–27. ISSN 1047-5982.

semanticscholar.org (Global: 15^th place; English: 8^th place)

api.semanticscholar.org

Frobenius, G. (April 2008) [1887]. "Neuer Beweis des Sylowschen Satzes" [New Proof of Sylow's Theorem] (PDF). Journal für die reine und angewandte Mathematik (in German). 1887 (100). Translated by Gutfraind, Sasha: 179–181. doi:10.1515/crll.1887.100.179. S2CID 117970003.
Gordan, Paul (1868), "Beweis, dass jede Covariante und Invariante einer binären Form eine ganze Funktion mit numerischen Coeffizienten einer endlichen Anzahl solcher Formen ist", Journal für die reine und angewandte Mathematik, vol. 1868, no. 69, pp. 323–354, doi:10.1515/crll.1868.69.323, S2CID 120689164

springer.com (Global: 182^nd place; English: 172^nd place)

link.springer.com

Kleiner 2007, p. 1. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. xi–xii. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 41. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 1–13. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 13–14. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 17–22. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 23. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 27. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 32. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 33. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 34. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 35. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 42–43. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 43. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 43–47. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 42. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 48. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 50. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 51–52. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 54. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 54–57. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 57–58. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 58. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 58–59. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 59. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 60. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 70. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 66. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, p. 67. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 72–73. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Kleiner 2007, pp. 74–76. Kleiner, Israel (2007). Kleiner, Israel (ed.). A history of abstract algebra. Boston, Mass.: Birkhäuser. doi:10.1007/978-0-8176-4685-1. ISBN 978-0-8176-4685-1.
Gray, Jeremy (2018). A History of Abstract Algebra: From Algebraic Equations to Modern Algebra. Springer Undergraduate Mathematics Series. Springer Cham. doi:10.1007/978-3-319-94773-0. ISBN 978-3-319-94772-3. Retrieved 10 February 2025.

st-andrews.ac.uk (Global: 1,053^rd place; English: 1,274^th place)

mathshistory.st-andrews.ac.uk

O'Connor, John J.; Robertson, Edmund F., "The abstract group concept", MacTutor History of Mathematics Archive, University of St Andrews

tripod.com (Global: 666^th place; English: 543^rd place)

jeff560.tripod.com

"Earliest Known Uses of Some of the Words of Mathematics (F)".

web.archive.org (Global: 1^st place; English: 1^st place)

Corry, Leo. "Structural algebra". Britannica. Archived from the original on 16 December 2024. Retrieved 10 February 2025. Then in 1930 a textbook was published that presented a totally new image of the discipline. This was Moderne Algebra, by the Dutch mathematician Bartel van der Waerden, who since 1924 had attended lectures in Germany by Emmy Noether at Göttingen and by Emil Artin at Hamburg. Van der Waerden's new image of the discipline inverted the conceptual hierarchy of classical algebra. Groups, fields, rings, and other related concepts became the main focus, based on the implicit realization that all of these concepts were, in fact, instances of a more general, underlying idea: the idea of an algebraic structure.

worldcat.org (Global: 4^th place; English: 4^th place)

search.worldcat.org

Corry, Leo (January 2000). "The origins of the definition of abstract rings". Modern Logic. 8 (1–2): 5–27. ISSN 1047-5982.
Hart, Roger (2011). The Chinese roots of linear algebra. Baltimore, MD: Johns Hopkins University Press. ISBN 978-0-8018-9958-4. OCLC 794700410.

zenodo.org (Global: 737^th place; English: 426^th place)

Gordan, Paul (1868), "Beweis, dass jede Covariante und Invariante einer binären Form eine ganze Funktion mit numerischen Coeffizienten einer endlichen Anzahl solcher Formen ist", Journal für die reine und angewandte Mathematik, vol. 1868, no. 69, pp. 323–354, doi:10.1515/crll.1868.69.323, S2CID 120689164

Abstract algebra (English Wikipedia)

ams.org (Global: 434th place; English: 249th place)

mathscinet.ams.org

archive.org (Global: 6th place; English: 6th place)

biodiversitylibrary.org (Global: 168th place; English: 136th place)

books.google.com (Global: 3rd place; English: 3rd place)

britannica.com (Global: 37th place; English: 64th place)

doi.org (Global: 2nd place; English: 2nd place)

hathitrust.org (Global: 296th place; English: 153rd place)