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@article{AL_1997_36_3_a2, author = {A. V. Kravchenko}, title = {On the lattice complexity of quasivarieties of graphs and}, journal = {Algebra i logika}, pages = {273--281}, publisher = {mathdoc}, volume = {36}, number = {3}, year = {1997}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1997_36_3_a2/} }
A. V. Kravchenko. On the lattice complexity of quasivarieties of graphs and. Algebra i logika, Tome 36 (1997) no. 3, pp. 273-281. http://geodesic.mathdoc.fr/item/AL_1997_36_3_a2/