@article{ELMA_1985__40_141365, author = {Horst Alzer}, title = {Ungleichungen f\"ur (e/a)a (b/e)b.}, journal = {Elemente der Mathematik}, pages = {120--123}, publisher = {mathdoc}, volume = {40}, year = {1985}, zbl = {0596.26014}, url = {http://geodesic.mathdoc.fr/item/ELMA_1985__40_141365/} }