TY - JOUR AU - Ghassan Firro AU - Toufik Mansour AU - Mark C. Wilson TI - Longest alternating subsequences in pattern-restricted permutations JO - The electronic journal of combinatorics PY - 2007 VL - 14 UR - http://geodesic.mathdoc.fr/articles/10.37236/952/ DO - 10.37236/952 ID - 10_37236_952 ER -