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@article{IM_1989__96_1_143673, author = {L.L. Avramov}, title = {Modules of finite virtual projective dimension.}, journal = {Inventiones mathematicae}, pages = {71--102}, publisher = {mathdoc}, volume = {96}, number = {1}, year = {1989}, zbl = {0677.13004}, url = {http://geodesic.mathdoc.fr/item/IM_1989__96_1_143673/} }
L.L. Avramov. Modules of finite virtual projective dimension.. Inventiones mathematicae, Tome 96 (1989) no. 1, pp. 71-102. http://geodesic.mathdoc.fr/item/IM_1989__96_1_143673/