Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1980_7_a5, author = {S. S. Korobkov}, title = {Projections of periodic nil-rings}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {30--38}, publisher = {mathdoc}, number = {7}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1980_7_a5/} }
S. S. Korobkov. Projections of periodic nil-rings. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1980), pp. 30-38. http://geodesic.mathdoc.fr/item/IVM_1980_7_a5/