共 11 条
[1]
FINE B, 1976, J LOND MATH SOC, V13, P65
[3]
Higman G., 1949, J LOND MATH SOC, V26, P247
[4]
SUBGROUPS OF HNN GROUPS AND GROUPS WITH ONE DEFINING RELATION
[J].
CANADIAN JOURNAL OF MATHEMATICS,
1971, 23 (04)
:627-&
[5]
LEHNER J, 1964, 8 AM MATH SOC MATH S
[6]
MASKIT B, 1971, ADV THEORY RIEMANN S, V3, P297
[7]
NEUMANN PM, 1973, J AUSTR MATH SOC, V0016, P00001
[8]
SACERDOT.GS, 1974, J LOND MATH SOC, V7, P733