@article{MZM_2000_67_3_a0,
     author = {S. V. Varaksin},
     title = {Quasi-identities and quasiverbal subalgebras},
     journal = {Matemati\v{c}eskie zametki},
     pages = {323--328},
     publisher = {mathdoc},
     volume = {67},
     number = {3},
     year = {2000},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2000_67_3_a0/}
}