@article{02218515, title = {Differential estimate for }, journal = {JIPAM. Journal of Inequalities in Pure \& Applied Mathematics [electronic only]}, volume = {5}, year = {2004}, zbl = {1086.26016}, language = {en}, url = {http://dml.mathdoc.fr/item/02218515} }
Timofte, Vlad. Differential estimate for . JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only], Tome 5 (2004) . http://gdmltest.u-ga.fr/item/02218515/