Lu, Fuliang, and Lianzhu Zhang. “A Conjecture of Norine and Thomas for Abelian Cayley Graphs”. The Electronic Journal of Combinatorics 24, no. 3 (September 22, 2017): P3.65. Accessed March 16, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v24i3p65.