@article{DMTCS_2012_special_263_a52,
     author = {Claesson, Anders and \'Ulfarsson, Henning},
     title = {Sorting and preimages of pattern classes},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2012},
     volume = {DMTCS Proceedings vol. AR, 24th International Conference on Formal Power Series and Algebraic Combinatorics (FPSAC 2012)},
     doi = {10.46298/dmtcs.3066},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.3066/}
}