共 25 条
[1]
Birman J.S., 1977, DISCRETE GROUPS AUTO, P163
[3]
Bott R., 1970, P S PURE MATH, V16, P127
[4]
Earle C. J., 1970, J DIFFERENTIAL GEOME, V4, P169
[5]
Farrell F.T., 1978, P S PURE MATH 1, VXXXII, P325