@article{1277385519,
author = {Hussain, Sabir and Pe\v cari\'c, J.},
title = {Bounds for Strengthened Hardy and Polya-Knopp's Differences},
journal = {Rocky Mountain J. Math.},
volume = {40},
number = {1},
year = {2010},
pages = { 913-928},
language = {en},
url = {http://dml.mathdoc.fr/item/1277385519}
}
Hussain, Sabir; Pečarić, J. Bounds for Strengthened Hardy and Polya-Knopp's Differences. Rocky Mountain J. Math., Tome 40 (2010) no. 1, pp. 913-928. http://gdmltest.u-ga.fr/item/1277385519/