%0 Journal Article %A V. G. Durnev %A A. I. Zetkina %T On equations in free monoids and semigroups with~restrictions on solutions %J Prikladnaâ diskretnaâ matematika %D 2023 %P 5-19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDM_2023_1_a0/ %G ru %F PDM_2023_1_a0