פסאודוספירה (Hebrew Wikipedia)

Analysis of information sources in references of the Wikipedia article "פסאודוספירה" in Hebrew language version.

refsWebsite

Global rank Hebrew rank

low place

low place

1books.google.com

3^rd place

33^rd place

books.google.com

Stillwell, John (2010). Mathematics and Its History (revised, 3rd ed.). Springer Science & Business Media. p. 345. ISBN 978-1-4419-6052-8., extract of page 345

caressa.it

Beltrami, Eugenio (1868). "Saggio sulla interpretazione della geometria non euclidea" [Treatise on the interpretation of non-Euclidean geometry] (PDF). Gior. Mat. 6: 248–312.