GENG, Xianya; YIN, Zhixiang; FANG, Xianwen. ON THE SUM OF THE SQUARES OF ALL DISTANCES IN SOME GRAPHS. Italian Journal of Pure and Applied Mathematics, [S. l.], v. 37, p. 137–144, 2017. Disponível em: https://journals.uniurb.it/index.php/ijpam/article/view/6822. Acesso em: 16 sep. 2026.