@article{AL_1965_4_6_a1,
     author = {A. A. Vinogradov},
     title = {Quasivarieties of {Abelian} groups},
     journal = {Algebra i logika},
     pages = {15--19},
     publisher = {mathdoc},
     volume = {4},
     number = {6},
     year = {1965},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1965_4_6_a1/}
}