1.
Liu M, Chen C, Stanić Z, Shan H. Graphs with Large Clique Number whose Second Largest Eigenvalue does not Exceed $(\sqrt{5}-1)/2$. Electron. J. Combin. [Internet]. 2025Apr.25 [cited 2026Apr.19];32(2):#P2.13. Available from: https://www.combinatorics.org/ojs/index.php/eljc/article/view/v32i2p13