K. PATTABIRAMAN. Bounds on Vertex Zagreb Indices of Graphs. Global Journal of Science Frontier Research, [S. l.], v. 17, n. F6, p. 43–47, 2017. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2122. Acesso em: 2 may. 2024.