共 10 条
[2]
ARTIN E, 1926, ABH MATH SEM HAMBURG, V4, P47
[3]
Coxeter H.S.M., 1965, GENERATORS RELATIONS
[6]
Fadell Edward, 1962, MATH SCAND, V10, P111, DOI DOI 10.7146/MATH.SCAND.A-10517
[7]
Fox Ralph Hartzler, 1962, MATH SCAND, V10, P119
[8]
LEVINE HI, 1959, SINGULARITIES DIFF 1
[9]
STEENROD N, 1957, TOPOLOGY FIBRE BUNDL