@article{02161313, title = {Generating function for }, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {12}, year = {2005}, zbl = {1062.05011}, language = {en}, url = {http://dml.mathdoc.fr/item/02161313} }
Fortin, J.-F.; Jacob, P.; Mathieu, P. Generating function for . The Electronic Journal of Combinatorics [electronic only], Tome 12 (2005) . http://gdmltest.u-ga.fr/item/02161313/