1 - Foundations of geometry : Euclidean and Bolyai-Lobachevskian geometry, projective geometry |
2 - Multidimensional analytic geometry |
3 - Theory of retracts |
4 - Travaux de topologie et ses applications |
1 - Foundations of geometry : Euclidean and Bolyai-Lobachevskian geometry, projective geometry |
2 - Multidimensional analytic geometry |
3 - Theory of retracts |
4 - Travaux de topologie et ses applications |