TY - JOUR AU - Adel Hamdi TI - Symmetric distribution of crossings and nestings in permutations of type \(B\) JO - The electronic journal of combinatorics PY - 2011 VL - 18 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/687/ DO - 10.37236/687 ID - 10_37236_687 ER -