@article{05224751,
title = {Notes on an open problem of F. Qi and Y. Chen and J. Kimball.},
journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]},
volume = {8},
year = {2007},
zbl = {1232.26040},
language = {en},
url = {http://dml.mathdoc.fr/item/05224751}
}
Ngo, Quoc Anh; Tung, Pham Huy. Notes on an open problem of F. Qi and Y. Chen and J. Kimball.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 8 (2007) . http://gdmltest.u-ga.fr/item/05224751/