共 25 条
- [2] Alexandroff P., 1935, TOPOLOGIE, P3
- [4] Concerning the topology of three dimensional space [J]. MATHEMATISCHE ANNALEN, 1910, 69 : 137 - 168
- [5] EILENBERG S, 1936, FUND MATH, V28, P233
- [6] FOX RH, 1955, NOTES LECTURES PRINC
- [7] A nodal principle with usage on the dimension theory [J]. MATHEMATISCHE ANNALEN, 1930, 102 : 785 - 789
- [8] HIGMAN G, 1948, Q J MATH OXFORD SER, V19, P117
- [9] Hurewicz W, 1936, P K AKAD WET-AMSTERD, V39, P215
- [10] On singular elementary surfaces and the Dehn lemma. [J]. MATHEMATISCHE ANNALEN, 1935, 110 : 312 - 320