@article{MZM_2020_107_3_a4,
     author = {A. F. Vasil'ev and V. I. Murashka},
     title = {Formations and {Products} of $\mathrm F(G)${-Subnormal} {Subgroups} of {Finite} {Solvable} {Groups}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {376--390},
     publisher = {mathdoc},
     volume = {107},
     number = {3},
     year = {2020},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2020_107_3_a4/}
}