Geng, X., Yin, Z. and Fang, X. (2017) “ON THE SUM OF THE SQUARES OF ALL DISTANCES IN SOME GRAPHS”, Italian Journal of Pure and Applied Mathematics, 37, pp. 137–144. Available at: https://journals.uniurb.it/index.php/ijpam/article/view/6822 (Accessed: 16 September 2026).