@article{MZ_1975__143_172231,
     author = {Ronald Jankovics},
     title = {\"Uber {Funktionen} mit der {Eigenschaft} {Re(e...(f(z)/z-{\ss}))...0.}},
     journal = {Mathematische Zeitschrift},
     pages = {235--242},
     year = {1975},
     volume = {143},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1975__143_172231/}
}