@article{NSJOM_1993_23_1a_27,
     author = {Alzer Horst},
     title = {Bestm\"ogliche absch\"atzungen f\"ur spezielle mittelwerte},
     journal = {Novi Sad Journal of Mathematics},
     pages = {331-346},
     year = {1993},
     volume = {23},
     number = {1},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1993_23_1a_27/}
}