Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1992_8_a7, author = {S. V. Rychkov}, title = {On direct decompositions of modules}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {52--56}, publisher = {mathdoc}, number = {8}, year = {1992}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1992_8_a7/} }
S. V. Rychkov. On direct decompositions of modules. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1992), pp. 52-56. http://geodesic.mathdoc.fr/item/IVM_1992_8_a7/