@article{05224768, title = {Note on an open problem.}, journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]}, volume = {8}, year = {2007}, zbl = {1232.26023}, language = {en}, url = {http://dml.mathdoc.fr/item/05224768} }
Bougoffa, Lazhar. Note on an open problem.. JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 8 (2007) . http://gdmltest.u-ga.fr/item/05224768/