@article{DMTCS_2021_22_2_a6,
     author = {Burstein, Alexander and Jones, Opel},
     title = {Enumeration of {Dumont} permutations avoiding certain four-letter patterns},
     journal = {Discrete mathematics & theoretical computer science},
     publisher = {mathdoc},
     volume = {22},
     number = {2},
     year = {2020-2021},
     doi = {10.46298/dmtcs.6174},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.6174/}
}