@article{05132863, title = {Ap\'ery's double sum is plain sailing indeed.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {14}, year = {2007}, zbl = {1171.68052}, language = {en}, url = {http://dml.mathdoc.fr/item/05132863} }
Schneider, Carsten. Apéry's double sum is plain sailing indeed.. The Electronic Journal of Combinatorics [electronic only], Tome 14 (2007) . http://gdmltest.u-ga.fr/item/05132863/