@article{PFMT_2018_3_a9,
     author = {S. Yu. Bashun and E. M. Palchik},
     title = {On $S$-quasinormal subgroups in finite groups},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {63--66},
     publisher = {mathdoc},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2018_3_a9/}
}