@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},
     year = {1991},
     number = {10},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1991_10_a12/}
}