FENG, LIHUA; ILIĆ, ALEKSANDAR; YU, GUIHAI. The hyper-Wiener index of unicyclic graphs. Utilitas Mathematica , [S. l.], v. 82, 2010. Disponível em: https://utilitasmathematica.com/index.php/Index/article/view/689. Acesso em: 8 may. 2026.