@article{PFMT_2018_1_a9,
     author = {S. F. Kamornikov and O. L. Shemetkova},
     title = {On $\mathfrak{F}$-subnormal subgroups of a finite factorised group},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {61--63},
     publisher = {mathdoc},
     number = {1},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2018_1_a9/}
}