@article{IVM_1996_8_a8,
     author = {V. G. Safonov},
     title = {On multiply local formations with systems of normally hereditary subformations},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {64--70},
     year = {1996},
     number = {8},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1996_8_a8/}
}