@article{PFMT_2019_3_a17,
     author = {V. N. Tyutyanov},
     title = {Simple non-abelian groups with second maximal pronormal subgroups},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {104--106},
     publisher = {mathdoc},
     number = {3},
     year = {2019},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2019_3_a17/}
}