Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1975_224_3_a10, author = {S. A. Rusakov}, title = {On the unsolvability of $n$-groups of odd and biprimary orders}, journal = {Doklady Akademii Nauk}, pages = {540--542}, publisher = {mathdoc}, volume = {224}, number = {3}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1975_224_3_a10/} }
S. A. Rusakov. On the unsolvability of $n$-groups of odd and biprimary orders. Doklady Akademii Nauk, Tome 224 (1975) no. 3, pp. 540-542. http://geodesic.mathdoc.fr/item/DAN_1975_224_3_a10/