TY - JOUR AU - Michael Albert AU - Mathilde Bouvel TI - Operators of equivalent sorting power and related Wilf-equivalences JO - The electronic journal of combinatorics PY - 2014 VL - 21 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.37236/4119/ DO - 10.37236/4119 ID - 10_37236_4119 ER -