@article{PFMT_2015_1_a16,
     author = {V. N. Tyutyanov},
     title = {Finite groups with $\mathbb{P}$-subnormal {Schmidt} subgroups},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {88--91},
     publisher = {mathdoc},
     number = {1},
     year = {2015},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2015_1_a16/}
}