@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/}
}