DEHGARDI, N.; ARAM, H. Bounds on the first leap Zagreb index of trees. Carpathian Mathematical Publications, [S. l.], v. 13, n. 2, p. 377–385, 2021. DOI: 10.15330/cmp.13.2.377-385. Disponível em: https://scijournals.pnu.edu.ua/index.php/cmp/article/view/4403. Acesso em: 16 jun. 2024.