共 10 条
[1]
DERHAM G, 1936, REC MATH, V43, P737
[6]
EILENBERG S, 1941, 1940 LECT TOP U MICH, P57
[7]
REIDEMEISTER K, 1935, ABH MATH SEM HAMBURG, V11, P102
[8]
Robbins H, 1941, T AM MATH SOC, V49, P308
[9]
SMITH PA, 1941, 1940 LECT TOP U MICH, P159
[10]
[No title captured]