Chan, Swee Hong. “A Bijection Between Necklaces and Multisets With Divisible Subset Sum”. The Electronic Journal of Combinatorics 26, no. 1 (March 8, 2019): P1.37. Accessed March 28, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i1p37.