@article{PFMT_2017_1_a4,
     author = {L. M. Belokon},
     title = {A normal factorization of a subnormal subgroup of some finite group in connection with local formations and generalized {Frattini} subgroups. {Formation} radicals},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {25--36},
     publisher = {mathdoc},
     number = {1},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2017_1_a4/}
}