DU TOIT, LINDIE; MUKWEMBI, SIMON; VETRÍK, TOMÁŠ. A note on the eccentric connectivity index of graphs of given diameter. Utilitas Mathematica , [S. l.], v. 115, 2020. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/1494. Acesso em: 7 may. 2026.