TY - JOUR AU - Pascal Ochem TI - Doubled patterns are 3-avoidable JO - The electronic journal of combinatorics PY - 2016 VL - 23 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/5618/ DO - 10.37236/5618 ID - 10_37236_5618 ER -