TY  - GEN
AU  - Smogorzhevsky, A. S.
TI  - Lobacheskian Geometry
U1  - 516/SMO-GEO 
PY  - 1976///
CY  - Moscow
PB  - Mir Publishers
KW  - Equidistance, Horocycle, Trignometry
N1  - Content
ER  -