Knox, Fiachra, and Bojan Mohar. “Fractional Decompositions and the Smallest-Eigenvalue Separation”. The Electronic Journal of Combinatorics 26, no. 4 (December 6, 2019): P4.41. Accessed March 17, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v26i4p41.