@article{10_37236_3330,
     author = {William Kuszmaul},
     title = {Counting permutations modulo pattern-replacement equivalences for three-letter patterns},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {4},
     doi = {10.37236/3330},
     zbl = {1295.05016},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3330/}
}