@article{05636866,
title = {On the interpoint distance sum inequality.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {10},
year = {2009},
zbl = {1201.51003},
language = {en},
url = {http://dml.mathdoc.fr/item/05636866}
}
Xia, Yong; Liu, Hong-Ying. On the interpoint distance sum inequality.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 10 (2009) . http://gdmltest.u-ga.fr/item/05636866/