共 10 条
[2]
Baxter W.E., 1958, T AM MATH SOC, V87, P63
[4]
Herstein I.N., 1969, TOPICS RING THEORY
[7]
HERSTEIN IN, 1968, 15 MATH ASSN AM MON
[10]
MARTINDALE WS, 1969, J ALGEBRA, V12, P574