@article{IVM_1979_9_a0,
     author = {N. G. Duka},
     title = {Finite groups, the maximal chains of whose subgroups contain $p$-subnormal subgroups},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {3--10},
     year = {1979},
     number = {9},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1979_9_a0/}
}