共 3 条
[1]
Amitsur S. A., 1956, CAN J MATH, V8, P355
[2]
BASS H, 1960, T AM MATH SOC, V95, P466, DOI 10.1090/S0002-9947-1960-0157984-8
[3]
GILMER RW, 1968, P LOND MATH SOC, V18, P328