Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1991_318_3_a0, author = {S. V. Bochkarev}, title = {Rearrangements of multiplicative systems}, journal = {Doklady Akademii Nauk}, pages = {521--523}, publisher = {mathdoc}, volume = {318}, number = {3}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_3_a0/} }
S. V. Bochkarev. Rearrangements of multiplicative systems. Doklady Akademii Nauk, Tome 318 (1991) no. 3, pp. 521-523. http://geodesic.mathdoc.fr/item/DAN_1991_318_3_a0/