@article{MZM_2022_111_2_a5,
     author = {X. Yi and S. F. Kamornikov and V. N. Tyutyanov},
     title = {$G${-Covering} {Subgroup} {Systems} for the {Class} of {All} $\sigma${-Nilpotent} {Finite} {Groups}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {233--240},
     publisher = {mathdoc},
     volume = {111},
     number = {2},
     year = {2022},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2022_111_2_a5/}
}