@article{02221793, title = {The generalized Schr\"oder theory.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {12}, year = {2005}, zbl = {1077.05010}, language = {en}, url = {http://dml.mathdoc.fr/item/02221793} }
Song, Chunwei. The generalized Schröder theory.. The Electronic Journal of Combinatorics [electronic only], Tome 12 (2005) . http://gdmltest.u-ga.fr/item/02221793/