@article{01949111, title = {On an open problem of F. Qi.}, journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]}, volume = {3}, year = {2002}, zbl = {1096.26504}, language = {en}, url = {http://dml.mathdoc.fr/item/01949111} }
Pogány, Tibor K. On an open problem of F. Qi.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 3 (2002) . http://gdmltest.u-ga.fr/item/01949111/