CHEN, SHUBO; LIU, WEIJUN. Merrifield-simmons index of a class of unicyclic graphs. Utilitas Mathematica , [S. l.], v. 89, 2012. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/838. Acesso em: 9 jul. 2026.