@article{VYURV_2023_12_3_a4,
     author = {B.F. Melnikov},
     title = {On a hypothesis of the theory of formal languages. {Part} {I}},
     journal = {Vestnik \^U\v{z}no-Uralʹskogo gosudarstvennogo universiteta. Seri\^a Vy\v{c}islitelʹna\^a matematika i informatika},
     pages = {72--86},
     publisher = {mathdoc},
     volume = {12},
     number = {3},
     year = {2023},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VYURV_2023_12_3_a4/}
}