共 12 条
[2]
Hilton P.J., 1953, INTRO HOMOTOPY THEOR
[3]
HIRSCH MW, 1959, T AM MATH SOC, V93, P242
[5]
KERVAIRE M, 1961, COMMENT MATH HELV, V34, P127
[8]
LI BH, 1982, COMMENT MATH HELV, V57, P135
[9]
MASSEY WS, 1963, B SOC MAT MEX, V8, P1