Cover image for Geometrical researches on the theory of parallels
Title:
Geometrical researches on the theory of parallels
Author:
Lobachevskiĭ, N. I. (Nikolaĭ Ivanovich), 1792-1856.
Edition:
New edition.
Publication Information:
Chicago [etc.] : Open Court Pub. Co., 1914.
Physical Description:
50 pages : frontispiece (portrait) diagrams ; 25 cm
Language:
English
Format :
Book