共 2 条
[1]
Herstein, 1969, TOPICS RING THEORY
[2]
Herstein I. N., 1957, P AM MATH SOC, V8, P1104, DOI [10.2307/2032688, 10.1090/S0002-9939-1957-0095864-2, DOI 10.1090/S0002-9939-1957-0095864-2]