1.
Nupet C, Kongsiriwong S. Two Simple Proofs of Winquist’s Identity. Electron. J. Combin. [Internet]. 2010Aug.24 [cited 2026Apr.12];17(1):#R116. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v17i1r116