TY - JOUR AU - Paul Duncan AU - Einar Steingrímsson TI - Pattern avoidance in ascent sequences JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/713/ DO - 10.37236/713 ID - 10_37236_713 ER -