共 28 条
[1]
ALLENBY RBJ, FRATTINI SUBGROUP CE
[3]
Baumslag G., 1962, MATH Z, V78, P423
[5]
Epstein D.B.A, 1961, P LOND MATH SOC, V3, P469
[7]
EVANS BK, UNPUBLISHED
[9]
Hempel J., 1976, 3 MANIFOLDS ANN MATH, V86
[10]
HIGMAN G, 1954, J LOND MATH SOC, V29, P84