TY  - BOOK
AU  - Kulczyki, Stefan
AU  - Knapowski, Stanislaw, Tr.
TI  - Non-Euclidean geometry
U1  - 513.8 
PY  - 1961///
CY  - Oxford
PB  - Pergamon Press
KW  - Geometry, Non-Euclidian
N1  - Translation Of: Geometria Nieeuklidesowa
ER  -