共 8 条
[1]
BERGMAN GM, 1973, P LOND MATH SOC, V27, P69
[2]
Cohn P.M., 1971, FREE RINGS THEIR REL
[3]
Goldie A. W., 1960, P LOND MATH SOC, V10, P201
[4]
HERSTEIN IN, TO BE PUBLISHED
[6]
LAMBEK J, 1966, LECTURES RINGS MODUL
[8]
[No title captured]