Chung, Fan R. K., and John L. Goldwasser. “Maximum Subsets of (0,1] With No Solutions to x+y = Kz”. The Electronic Journal of Combinatorics 3, no. 1 (December 1, 1995): R1. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v3i1r1.