@article{MT_2017_20_2_a3,
     author = {A. V. Kravchenko and A. V. Yakovlev},
     title = {Quasivarieties of graphs and independent axiomatizability},
     journal = {Matemati\v{c}eskie trudy},
     pages = {80--89},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MT_2017_20_2_a3/}
}