@article{GDZPPN00208130X,
title = {Ungleichungen f\"ur (e/a)a (b/e)b.},
journal = {Elemente der Mathematik},
volume = {40},
year = {1985},
pages = {120-123},
zbl = {0596.26014},
url = {http://dml.mathdoc.fr/item/GDZPPN00208130X}
}
Alzer, Horst. Ungleichungen für (e/a)a (b/e)b.. Elemente der Mathematik, Tome 40 (1985) pp. 120-123. http://gdmltest.u-ga.fr/item/GDZPPN00208130X/