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Characterization of rings using quasiprojective modules. II
1971
Proceedings of the American Mathematical Society
Preserved Fulltext
Semiperfect rings, semihereditary rings, and hereditary rings, are characterized by properties of quasiprojective modules over their matrix rings.
doi:10.1090/s0002-9939-1971-0280551-5
fatcat:ahzy6oykpvbh3oqibaztbmvtry