@article{PDM_2024_4_a1,
     author = {A. V. Ilev},
     title = {Axiomatizability and decidability of universal theories of hereditary classes of models of finite and infinite languages},
     journal = {Prikladna\^a diskretna\^a matematika},
     pages = {14--29},
     publisher = {mathdoc},
     number = {4},
     year = {2024},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/PDM_2024_4_a1/}
}