@article{01498625, title = {Counting lattice paths by Narayana polynomials.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {7}, year = {2000}, zbl = {0953.05006}, language = {en}, url = {http://dml.mathdoc.fr/item/01498625} }
Sulanke, Robert A. Counting lattice paths by Narayana polynomials.. The Electronic Journal of Combinatorics [electronic only], Tome 7 (2000) . http://gdmltest.u-ga.fr/item/01498625/