@article{10_37236_388,
     author = {Chutchai Nupet and Sarachai Kongsiriwong},
     title = {Two simple proofs of {Winquist's} identity},
     journal = {The electronic journal of combinatorics},
     year = {2010},
     volume = {17},
     doi = {10.37236/388},
     zbl = {1252.11085},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/388/}
}