“Relationship Between the Second Largest Adjacency and Signless Laplacian Eigenvalues of Graphs and Properties of Planar Graphs”.
European Journal of Pure and Applied Mathematics 17, no. 4 (October 31, 2024): 3004–3021. Accessed November 7, 2024.
https://www.ejpam.com/index.php/ejpam/article/view/5364.