Guo VJW. Proof of Sun’s Conjecture on the Divisibility of Certain Binomial Sums. Electron. J. Combin. [Internet]. 2013Nov.22 [cited 2026May5];20(4):#P20. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v20i4p20