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@article{MZM_1980_28_5_a11, author = {E. G. Sklyarenko}, title = {Poincar\'e duality and relations between the functors {Ext} {and~Tor}}, journal = {Matemati\v{c}eskie zametki}, pages = {769--776}, publisher = {mathdoc}, volume = {28}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1980_28_5_a11/} }
E. G. Sklyarenko. Poincar\'e duality and relations between the functors Ext and~Tor. Matematičeskie zametki, Tome 28 (1980) no. 5, pp. 769-776. http://geodesic.mathdoc.fr/item/MZM_1980_28_5_a11/