@article{ELMA_1986__41_141373,
     author = {Dieter R\"uthing},
     title = {Eine allgemeine logarithmische {Ungleichung.}},
     journal = {Elemente der Mathematik},
     pages = {14--16},
     publisher = {mathdoc},
     volume = {41},
     year = {1986},
     zbl = {0607.26010},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1986__41_141373/}
}