共 31 条
[1]
ABOUGHAZI R, 1987, B SOC MATH FRANCE, V115, P1
[2]
BARR M, 1969, LECT NOTES MATH, V80, P245
[3]
BARR M, 1966, 1965 P C CAT ALG LA, P344
[4]
BROWN R, 1987, P LOND MATH SOC, V54, P176
[9]
DENNIS K, 1976, SEARCH NEW HOMOLOGY