Tri sudʹby
Subtitle: povestʹ o velikom otkrytii
By: Anna Livanova.
Series: Zhiznʹ zamechatelʹnykh ideĭ ;; vyp. 2
Publisher: "Znanie,"
Published: 1975
Place of publication: Moskva
Language: rus
Number of pages: 222
Subjects: Lobachevskiĭ, N. I. 1792-1856.; Gauss, Carl Friedrich, 1777-1855.; Bólyai, János, 1802-1860.; Geometry, Non-Euclidean -- History.