共 18 条
[2]
Bass H., 1964, PROJECTIVE MODULES F
[3]
Bass H., 1963, ILLINOIS J MATH, V7, P24
[4]
DEDECKER P, 1960, CAN J MATH, V12, P231
[6]
Hall P., 1958, P LOND MATH SOC, V4, P419
[7]
Milnor J., 1959, T AM MATH SOC, V90, P272, DOI 10.2307/1993204