TY - JOUR AU - V. G. Durnev AU - A. I. Zetkina TI - On equations in free monoids and semigroups with~restrictions on solutions JO - Prikladnaâ diskretnaâ matematika PY - 2023 SP - 5 EP - 19 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/PDM_2023_1_a0/ LA - ru ID - PDM_2023_1_a0 ER -