@article{AL_2018_57_5_a5,
     author = {S. A. Shakhova},
     title = {The axiomatic rank of {Levi} classes},
     journal = {Algebra i logika},
     pages = {587--600},
     publisher = {mathdoc},
     volume = {57},
     number = {5},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2018_57_5_a5/}
}