共 18 条
[4]
MASSEY WS, 1951, B AM MATH SOC, V57, P491
[5]
MOORE J, IN PRESS ANN MATH
[6]
SERRE JP, 1951, ANN MATH, V54, P452
[7]
Smith P. A., 1941, LECT TOPOLOGY, P159
[8]
SMITH PA, 1942, AM MATH SOC C PUBLIC, V27
[10]
PRODUCTS OF COCYCLES AND EXTENSIONS OF MAPPINGS
[J].
ANNALS OF MATHEMATICS,
1947, 48 (02)
:290-320