@article{10_37236_9482,
     author = {Marilena Barnabei and Flavio Bonetti and Niccol\`o Castronuovo and Matteo Silimbani},
     title = {Permutations avoiding a simsun pattern},
     journal = {The electronic journal of combinatorics},
     year = {2020},
     volume = {27},
     number = {3},
     doi = {10.37236/9482},
     zbl = {1441.05003},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/9482/}
}