@article{JIS_2005__8_4_a6,
     author = {Niederhausen, Heinrich},
     title = {A note on the enumeration of diffusion walks in the first octant by their number of contacts with the diagonal},
     journal = {Journal of integer sequences},
     publisher = {mathdoc},
     volume = {8},
     number = {4},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JIS_2005__8_4_a6/}
}