Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1964_156_6_a0, author = {Ya. G. Berkovich}, title = {The existence of subgroups of a finite non-solvable group}, journal = {Doklady Akademii Nauk}, pages = {1255--1257}, publisher = {mathdoc}, volume = {156}, number = {6}, year = {1964}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1964_156_6_a0/} }
Ya. G. Berkovich. The existence of subgroups of a finite non-solvable group. Doklady Akademii Nauk, Tome 156 (1964) no. 6, pp. 1255-1257. http://geodesic.mathdoc.fr/item/DAN_1964_156_6_a0/