@article{05686978, title = {Combinatorial proof of a curious }, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {17}, year = {2010}, zbl = {1205.05014}, language = {en}, url = {http://dml.mathdoc.fr/item/05686978} }
Guo, Victor J.W.; Zeng, Jiang. Combinatorial proof of a curious . The Electronic Journal of Combinatorics [electronic only], Tome 17 (2010) . http://gdmltest.u-ga.fr/item/05686978/