%0 Journal Article %A A. V. Ilev %T Axiomatizability and decidability of universal theories of hereditary classes of models of finite and infinite languages %J Prikladnaâ diskretnaâ matematika %D 2024 %P 14-29 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2024_4_a1/ %G ru %F PDM_2024_4_a1