%0 Journal Article %A N. V. Kotlyarov %T Existence of words over a three-letter alphabet not containing squares with errors of replacing %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 2018 %P 8-16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_2018_3_a1/ %G ru %F VMUMM_2018_3_a1