@article{10_37236_3058,
     author = {Michael H. Albert and Vincent Vatter},
     title = {Generating and enumerating 321-avoiding and skew-merged simple permutations},
     journal = {The electronic journal of combinatorics},
     year = {2013},
     volume = {20},
     number = {2},
     doi = {10.37236/3058},
     zbl = {1267.05003},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/3058/}
}