@article{VTPMK_2022_4_a0,
     author = {S. M. Dudakov},
     title = {On {Jonsson} varieties and quasivarieties},
     journal = {Vestnik Tverskogo gosudarstvennogo universiteta. Seri\^a Prikladna\^a matematika},
     pages = {5--10},
     year = {2022},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VTPMK_2022_4_a0/}
}