TY - JOUR AU - A. N. Plyushchenko TI - Overlap-free words and free Burnside semigroup with two generators satisfying $x^2=x^3$. JO - Sibirskie èlektronnye matematičeskie izvestiâ PY - 2009 SP - 166 EP - 181 VL - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SEMR_2009_6_a7/ LA - ru ID - SEMR_2009_6_a7 ER -