@article{IVM_1984_9_a12,
     author = {B. M. Vernikov and M. V. Volkov},
     title = {Dualities in lattices of varieties of associative rings},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {66--69},
     publisher = {mathdoc},
     number = {9},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_9_a12/}
}