共 23 条
[1]
Amitsur S.A., 1957, P LOND MATH SOC, Vs3-7, P87
[2]
BERGEN J, UNPUB B LONDON MATH
[3]
BERGMAN G, 1981, COMMUNICATION DEC
[4]
BERKSON J, 1964, P AM MATH SOC, V15, P14
[7]
COHEN M, UNPUB J ALGEBRA
[9]
HarZenko V. K., 1978, ALGEBRA LOGIKA+, V17, P220
[10]
Herstein I.N., 1968, CARUS MATH MONOGRAPH, V15