Boundary (topology) (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Boundary (topology)" in English language version.

refsWebsite

Global rank English rank

6^th place

6^th place

archive.org

Hausdorff, Felix (1914). Grundzüge der Mengenlehre. Leipzig: Veit. p. 214. ISBN 978-0-8284-0061-9. Reprinted by Chelsea in 1949.
Hausdorff, Felix (1914). Grundzüge der Mengenlehre. Leipzig: Veit. p. 281. ISBN 978-0-8284-0061-9. Reprinted by Chelsea in 1949.