@article{02107490, title = {A bijective proof of Borchardt's identity.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {11}, year = {2004}, zbl = {1053.05010}, language = {en}, url = {http://dml.mathdoc.fr/item/02107490} }
Singer, Dan. A bijective proof of Borchardt's identity.. The Electronic Journal of Combinatorics [electronic only], Tome 11 (2004) . http://gdmltest.u-ga.fr/item/02107490/