E lementarnoe vvedenie v geometrii Łu Lobachevskogo
By: A.P. Norden.
Publisher: Gos. izd-vo tekhniko-teoret. lit-ry
Published: 1953
Place of publication: Moskva
Language: rus
Number of pages: 248
Subjects: Lobachevskii , N. I. -- 1792-1856.; Geometry, Non-Euclidean.