@article{AL_1979_18_5_a5,
     author = {Yu. E. Shishmarev},
     title = {Categorical quasivarieties of quasigroups},
     journal = {Algebra i logika},
     pages = {614--629},
     publisher = {mathdoc},
     volume = {18},
     number = {5},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1979_18_5_a5/}
}