@article{AL_1986_25_3_a0,
     author = {A. I. Budkin},
     title = {Independent axiomatizability of quasivarieties of generalized},
     journal = {Algebra i logika},
     pages = {249--266},
     publisher = {mathdoc},
     volume = {25},
     number = {3},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1986_25_3_a0/}
}