@article{01167910, title = {Lattice paths between diagonal boundaries.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {5}, year = {1998}, zbl = {0909.05004}, language = {en}, url = {http://dml.mathdoc.fr/item/01167910} }
Niederhausen, Heinrich. Lattice paths between diagonal boundaries.. The Electronic Journal of Combinatorics [electronic only], Tome 5 (1998) . http://gdmltest.u-ga.fr/item/01167910/