@article{02107629,
title = {Generalizations of the triangle inequality.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {4},
year = {2003},
zbl = {1056.46029},
language = {en},
url = {http://dml.mathdoc.fr/item/02107629}
}
Saitoh, Saburou. Generalizations of the triangle inequality.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 4 (2003) . http://gdmltest.u-ga.fr/item/02107629/