@article{MM2_1987__59_155244,
     author = {Nikolaos Danikas},
     title = {\"Uber die mittlere {Oszillation} der logarithmischen {Funktion.}},
     journal = {Manuscripta mathematica},
     pages = {175--186},
     publisher = {mathdoc},
     volume = {59},
     year = {1987},
     zbl = {0618.30033},
     url = {http://geodesic.mathdoc.fr/item/MM2_1987__59_155244/}
}