Foundations of geometry, Euclidean and bolyai-lobachevskian geometry projective geometry /
Borsuk, Karol
Foundations of geometry, Euclidean and bolyai-lobachevskian geometry projective geometry / - 1960.
Foundation Geometry Mathematics
Foundations of geometry, Euclidean and bolyai-lobachevskian geometry projective geometry / - 1960.
Foundation Geometry Mathematics