@article{AL_1965_4_5_a3,
     author = {A. A. Vinogradov},
     title = {Maximum primitive classes in certain quasivarieties},
     journal = {Algebra i logika},
     pages = {55--65},
     publisher = {mathdoc},
     volume = {4},
     number = {5},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1965_4_5_a3/}
}