@article{SLC_1994_33_a6,
     author = {Fouad Ibn-Majdoub-Hassani},
     title = {Generating {Functions} for {Directed} {Animals} {Convex} {Following} {Their} {Direction}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {33},
     year = {1994},
     url = {http://geodesic.mathdoc.fr/item/SLC_1994_33_a6/}
}