He, Xiaocong, Yongtao Li, and Lihua Feng. “Spectral Extremal Graphs Without Intersecting Triangles As a Minor”. The Electronic Journal of Combinatorics 31, no. 3 (July 26, 2024): P3.7. Accessed March 27, 2026. https://www.combinatorics.org/ojs/index.php/eljc/article/view/v31i3p7.