@article{MOMA_1969__73_177468,
     author = {Eugen Beck},
     title = {Komplement\"are {Ungleichungen} bei vergleichbaren {Mittelwerten.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {289--308},
     publisher = {mathdoc},
     volume = {73},
     year = {1969},
     zbl = {0181.33101},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1969__73_177468/}
}