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@article{IVM_1991_10_a12, author = {I. I. Sakhaev}, title = {A~criterion for the projectivity of finitely generated flat modules}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {68--75}, publisher = {mathdoc}, number = {10}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1991_10_a12/} }
I. I. Sakhaev. A~criterion for the projectivity of finitely generated flat modules. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (1991), pp. 68-75. http://geodesic.mathdoc.fr/item/IVM_1991_10_a12/