TY - JOUR AU - Sherry H.F. Yan TI - On Wilf equivalence for alternating permutations JO - The electronic journal of combinatorics PY - 2013 VL - 20 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.37236/3243/ DO - 10.37236/3243 ID - 10_37236_3243 ER -