@article{SEMR_2016_13_a12,
     author = {A. V. Kravchenko},
     title = {Complexity of quasivariety lattices for varieties of unary {algebras.~II}},
     journal = {Sibirskie \`elektronnye matemati\v{c}eskie izvesti\^a},
     pages = {388--394},
     publisher = {mathdoc},
     volume = {13},
     year = {2016},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SEMR_2016_13_a12/}
}