Чотирикутник Саккері (Ukrainian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Чотирикутник Саккері" in Ukrainian language version.

refsWebsite

Global rank Ukrainian rank

1books.google.com

3^rd place

11^th place

books.google.com

Boris Abramovich Rozenfelʹd. A History of Non-Euclidean Geometry: Evolution of the Concept of a Geometric Space. — Abe Shenitzer translation. — Springer, 1988. — С. 65. — ISBN 0-387-96458-4.