Kaladevi, V., R. Murugesan, and K. Pattabiraman. “First Reformulated Zagreb Indices of Some Classes of Graphs”. Carpathian Mathematical Publications 9, no. 2 (January 2, 2018): 134–144. Accessed April 27, 2024. https://journals.pnu.edu.ua/index.php/cmp/article/view/1457.