@article{PFMT_2021_4_a10,
     author = {A. F. Vasil'ev},
     title = {On radicals of factorized finite $\mathfrak{X}$-groups},
     journal = {Problemy fiziki, matematiki i tehniki},
     pages = {69--75},
     year = {2021},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PFMT_2021_4_a10/}
}