Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1968_179_3_a12, author = {B. M. Rudyk}, title = {Extensions of modules}, journal = {Doklady Akademii Nauk}, pages = {545--547}, publisher = {mathdoc}, volume = {179}, number = {3}, year = {1968}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1968_179_3_a12/} }
B. M. Rudyk. Extensions of modules. Doklady Akademii Nauk, Tome 179 (1968) no. 3, pp. 545-547. http://geodesic.mathdoc.fr/item/DAN_1968_179_3_a12/