@article{SLC_2004-2005_51_a2,
     author = {Enrica Duchi and Robert A. Sulanke},
     title = {The 2n-1 {Factor} for {Multi-Dimensional} {Lattice} {Paths} with {Diagonal} {Steps}},
     journal = {S\'eminaire lotharingien de combinatoire},
     publisher = {mathdoc},
     volume = {51},
     year = {2004-2005},
     url = {http://geodesic.mathdoc.fr/item/SLC_2004-2005_51_a2/}
}