[1] E. Čech: Topological spaces. Topological papers of Eduard Čech, Academia, Prague 1968, 436-472.
[2] E. Čech:
Topological spaces. Academia, Prague 1966.
MR 0211373
[3] J. Chvalina:
On the number of general topologies on a finite set. Scripta Fac. Sci. Nat. UJEP Brno, Math. I 3 (1973), 7-22.
MR 0363926 |
Zbl 0294.54003
[4] J. Chvalina, M. Sekanina:
Realizations of closure spaces by set-systems. Proceedings of the 3rd Prague Topological Symposium, Prague 1972, 85-87.
MR 0355942 |
Zbl 0335.54001
[5] K. Kuratowski:
Topologie I. Warszawa 1957.
MR 0094781
[6] F. Neuman, M. Sekanina:
Equivalent systems of sets and homeomorphic topologies. Czechoslovak Math. Journ. 15 (90) (1965), 323-328.
MR 0179087 |
Zbl 0139.40103
[7] M. Sekanina:
Cucmeмы monoлoгuй na дaннoм мнoжecmвe. Чexocлoв. Maт. журнал, 15 (90) (1965), 9-29.
MR 0184193