@article{AL_2000_39_5_a4,
     author = {S. V. Morozova},
     title = {Basis ranks of solvable quasi-varieties of groups and $\ell$-groups},
     journal = {Algebra i logika},
     pages = {586--594},
     publisher = {mathdoc},
     volume = {39},
     number = {5},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2000_39_5_a4/}
}