@article{05721433,
title = {Elementary proofs for convolution identities of Abel and Hagen-Rothe.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
volume = {17},
year = {2010},
zbl = {1225.05014},
language = {en},
url = {http://dml.mathdoc.fr/item/05721433}
}
Chu, Wenchang. Elementary proofs for convolution identities of Abel and Hagen-Rothe.. The Electronic Journal of Combinatorics [electronic only], Tome 17 (2010) . http://gdmltest.u-ga.fr/item/05721433/