%0 Journal Article %A A. V. Il'ev %T Decidability of universal theories and axiomatizability of hereditary classes of graphs %J Trudy Instituta matematiki i mehaniki %D 2016 %P 100-111 %V 22 %N 1 %U http://geodesic.mathdoc.fr/item/TIMM_2016_22_1_a10/ %G ru %F TIMM_2016_22_1_a10