共 11 条
[1]
BASS H, 1964, WHITEHEAD GROUP POLY, P61
[2]
COCKCROFT WH, 1961, P LONDON MATH SOC, V11, P577
[3]
EPSTEIN DBA, TO APPEAR
[4]
Higman G, 1940, P LOND MATH SOC, V46, P231
[8]
MILNOR J, 1964, WHITEHEAD TORSION
[9]
STALLINGS J, TO APPEAR