@article{AL_2022_61_1_a3,
     author = {V. V. Lodeishchikova and S. A. Shakhova},
     title = {Levi classes of quasivarieties of nilpotent groups of exponent $p^s$},
     journal = {Algebra i logika},
     pages = {77--92},
     year = {2022},
     volume = {61},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2022_61_1_a3/}
}