@article{05171556,
title = {Combinatorial proofs of some Simons-type binomial coefficient identities.},
journal = {Integers},
volume = {7},
year = {2007},
zbl = {1123.05004},
language = {en},
url = {http://dml.mathdoc.fr/item/05171556}
}
Shattuck, Mark. Combinatorial proofs of some Simons-type binomial coefficient identities.. Integers, Tome 7 (2007) . http://gdmltest.u-ga.fr/item/05171556/