TY  - JOUR
AU  - Wenchang Chu
TI  - Elementary proofs for convolution identities of Abel and Hagen-Rothe
JO  - The electronic journal of combinatorics
PY  - 2010
VL  - 17
UR  - http://geodesic.mathdoc.fr/articles/10.37236/473/
DO  - 10.37236/473
ID  - 10_37236_473
ER  -