@article{JIS_2007__10_10_a3,
     author = {Ayyer,  Arvind},
     title = {The half-perimeter generating function of gated and wicketed {Ferrers} diagrams},
     journal = {Journal of integer sequences},
     year = {2007},
     volume = {10},
     number = {10},
     zbl = {1141.05302},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2007__10_10_a3/}
}