@article{DMTCS_2021_22_2_a12,
     author = {Callan, David},
     title = {The number of {1243, 2134}-avoiding permutations},
     journal = {Discrete mathematics & theoretical computer science},
     year = {2020-2021},
     volume = {22},
     number = {2},
     doi = {10.46298/dmtcs.5287},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.46298/dmtcs.5287/}
}