%0 Journal Article %A B.F. Melnikov %T On a hypothesis of the theory of formal languages. Part I %J Vestnik Ûžno-Uralʹskogo gosudarstvennogo universiteta. Seriâ Vyčislitelʹnaâ matematika i informatika %D 2023 %P 72-86 %V 12 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VYURV_2023_12_3_a4/ %G ru %F VYURV_2023_12_3_a4