Non-euclidean geometry
Kulczycki, Stefan
Non-euclidean geometry - New York: Pergamon Press, 1961 - 208p. hb. 23cm.
MATHEMATICS
NON-EUCLIDEAN GEOMETRY
514.12 / KUL-N
Non-euclidean geometry - New York: Pergamon Press, 1961 - 208p. hb. 23cm.
MATHEMATICS
NON-EUCLIDEAN GEOMETRY
514.12 / KUL-N