共 11 条
[1]
ALEXANDROFF P, 1945, TOPOLOGIE
[2]
Borsuk K., 1935, FUND MATH, V24, P249
[3]
BOURBAKI N, 1942, TOPOLOGIE GENERALE, pCH3
[4]
BOURBAKI N, 1940, TOPOLOGIE GEN, pCH1
[6]
HU ST, 1947, COMPTES RENDUS ACADE, V57, P231
[7]
Hurewicz W., 1941, PRINCETON MATH SERIE, V4
[8]
LEFSCHETZ S, 1942, TOPICS TOPOLOGY
[9]
Lefschetz S., 1942, ALGEBRAIC TOPOLOGY