@article{AL_2023_62_6_a2,
     author = {S. A. Shakhova},
     title = {Levi classes of quasivarieties of nilpotent groups of class at most two},
     journal = {Algebra i logika},
     pages = {742--761},
     publisher = {mathdoc},
     volume = {62},
     number = {6},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2023_62_6_a2/}
}