@article{MT_1982_2_a1,
     author = {V. A. Gorbunov and V. I. Tumanov},
     title = {Construction of lattices of quasivarieties},
     journal = {Matemati\v{c}eskie trudy},
     pages = {12--44},
     publisher = {mathdoc},
     volume = {2},
     year = {1982},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_1982_2_a1/}
}