Meng, Xianchen, Zhang, Yan, and Du, Beiliang. “The Number of Triangles in 2-Factorizations of K2n Minus a 1-Factor”. Utilitas Mathematica 90 (May 9, 2013). Accessed May 8, 2026. https://utilitasmathematica.com/index.php/Index/article/view/986.