共 17 条
[1]
Amitsur S.A, 1972, S MATH, VVIII, P149
[2]
BERGMAN GM, UNPUBLISHED
[3]
COHEN M, 1979, RING THEORY
[5]
Kharchenko V.K., 1975, ALGEBR LOG+, V14, P132, DOI 10.1007/BF01668425
[9]
LORENZ M, UNPUBLISHED