@article{10_37236_1688,
     author = {Aaron D. Jaggard},
     title = {Prefix exchanging and pattern avoidance by involutions},
     journal = {The electronic journal of combinatorics},
     year = {2002},
     volume = {9},
     number = {2},
     doi = {10.37236/1688},
     zbl = {1045.05002},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/1688/}
}