@article{05019220,
title = {Notes on double inequalities of Mathieu's series.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {2005},
year = {2005},
pages = {2547-2554},
doi = {10.1155/IJMMS.2005.2547},
zbl = {1086.26015},
language = {en},
url = {http://dml.mathdoc.fr/item/05019220}
}
Qi, Feng; Chen, Chao-Ping; Guo, Bai-Ni. Notes on double inequalities of Mathieu's series.. International Journal of Mathematics and Mathematical Sciences, Tome 2005 (2005) pp. 2547-2554. doi : 10.1155/IJMMS.2005.2547. http://gdmltest.u-ga.fr/item/05019220/