A sketch of the fundamentals of Lobachevskian geometry /

Bibliographic Details

Main Author:	Shirokov, P. A. (Petr Alekseevich), 1895-1944
Other Authors:	Bronshtein, Il
Format:	Book
Language:	English
Published:	Groningen : P. Noordhoff, 1964
Subjects:	Geometry, Hyperbolic.