%0 Journal Article %A Andrew Baxter %A Aaron D. Jaggard %T Pattern avoidance by even permutations %J The electronic journal of combinatorics %D 2011 %V 18 %N 2 %U http://geodesic.mathdoc.fr/articles/10.37236/2024/ %R 10.37236/2024 %F 10_37236_2024