@article{ELMA_1955__10_140629,
     author = {Hans P. K\"unzi},
     title = {Zum {60.Geburtstag} von {Rolf} {Nevanlinna.}},
     journal = {Elemente der Mathematik},
     pages = {97--100},
     publisher = {mathdoc},
     volume = {10},
     year = {1955},
     zbl = {0064.24302},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1955__10_140629/}
}