共 15 条
[2]
Dyer E., 1958, FUND MATH, V45, P103
[5]
HAMSTROM ME, 1963, NOTICES AMER MATH SO, V10, P492
[6]
HAMSTROM ME, 1963, NOTICES AMER MATH SO, V10, P275
[7]
Hu S.-T., 1959, HOMOTOPY THEORY
[9]
LICKORISH WBR, 1963, P CAMB PHILOS SOC, V59, P307