Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1995_344_4_a5, author = {A. Ya. Helemskii}, title = {Homological characterization of factors of {type~I}}, journal = {Doklady Akademii Nauk}, pages = {454--456}, publisher = {mathdoc}, volume = {344}, number = {4}, year = {1995}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1995_344_4_a5/} }
A. Ya. Helemskii. Homological characterization of factors of type~I. Doklady Akademii Nauk, Tome 344 (1995) no. 4, pp. 454-456. http://geodesic.mathdoc.fr/item/DAN_1995_344_4_a5/