@article{10_37236_14,
     author = {Chunwei Song and Catherine Yan},
     title = {Descents of permutations in a {Ferrers} board},
     journal = {The electronic journal of combinatorics},
     year = {2012},
     volume = {19},
     number = {1},
     doi = {10.37236/14},
     zbl = {1243.05014},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/14/}
}