共 13 条
[3]
BIERI R, 1974, COMMENT MATH HELV, V49, P74, DOI 10.1007/BF02566720
[4]
Bieri Robert, 1976, J PURE APPL ALGEBRA, V7, p35?51, DOI [10.1016/0022-4049(76)90065-7, DOI 10.1016/0022-4049(76)90065-7]
[7]
Gabriel P., 1962, B SOC MATH FR, V90, P323
[8]
Grothendieck A., 1957, TOHOKU MATH J, V9, P119, DOI DOI 10.2748/TMJ/1178244839
[9]
MacLane S., 1963, HOMOLOGY
[10]
PLETCH A, 1977, THESIS CARLETON U OT