@article{02107581, title = {A characterization of }, journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]}, volume = {5}, year = {2004}, zbl = {1059.26006}, language = {en}, url = {http://dml.mathdoc.fr/item/02107581} }
Adamek, Mirosław. A characterization of . JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 5 (2004) . http://gdmltest.u-ga.fr/item/02107581/