@article{IVM_1978_8_a0,
     author = {S. P. Azelitskii},
     title = {Finite unsolvable groups, all terms of whose commutant series have a~unique minimal system of {Sylow} classes},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--7},
     publisher = {mathdoc},
     number = {8},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1978_8_a0/}
}