1. E. Babson and J. West, The permutations 123 p4 ⋯ p1 and 321 p1 ⋯ p4 are Wilf equivalent, SIAM J. Discrete Math., submitted.
2. Pattern matching for permutations;Bose,1993
3. Asymptotic values for degrees associated with strips of Young diagrams;Regev;Adv. Math.,1981
4. Restricted permutations;Simion;European J. Combin.,1985
5. Forbidden subsequences;Stankova;Discrete Math.,1994