@article{MZ_1973__134_171980,
     author = {Stephan Ruscheweyh},
     title = {Eine {Invarianzeigenschaft} der {Basilevic-Funktionen.}},
     journal = {Mathematische Zeitschrift},
     pages = {215--220},
     publisher = {mathdoc},
     volume = {134},
     year = {1973},
     zbl = {0257.30008},
     url = {http://geodesic.mathdoc.fr/item/MZ_1973__134_171980/}
}