TY  - JOUR
AU  - Chutchai Nupet
AU  - Sarachai Kongsiriwong
TI  - Two simple proofs of Winquist's identity
JO  - The electronic journal of combinatorics
PY  - 2010
VL  - 17
UR  - http://geodesic.mathdoc.fr/articles/10.37236/388/
DO  - 10.37236/388
ID  - 10_37236_388
ER  -