@article{05028484,
title = {An upper bound for the },
journal = {Journal of Inequalities and Applications [electronic only]},
volume = {2006},
year = {2006},
doi = {10.1155/JIA/2006/25020},
zbl = {1096.15009},
language = {en},
url = {http://dml.mathdoc.fr/item/05028484}
}
Haukkanen, Pentti. An upper bound for the . Journal of Inequalities and Applications [electronic only], Tome 2006 (2006) . doi : 10.1155/JIA/2006/25020. http://gdmltest.u-ga.fr/item/05028484/