@article{02129183, title = {On the inequality of Mathieu.}, journal = {General Mathematics}, volume = {4}, year = {1996}, pages = {11-14}, zbl = {1057.26503}, language = {en}, url = {http://dml.mathdoc.fr/item/02129183} }
Acu, Dumitru. On the inequality of Mathieu.. General Mathematics, Tome 4 (1996) pp. 11-14. http://gdmltest.u-ga.fr/item/02129183/