@article{10_37236_4119,
     author = {Michael Albert and Mathilde Bouvel},
     title = {Operators of equivalent sorting power and related {Wilf-equivalences}},
     journal = {The electronic journal of combinatorics},
     year = {2014},
     volume = {21},
     number = {4},
     doi = {10.37236/4119},
     zbl = {1298.05005},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/4119/}
}