@article{JRAM_1974__270_151496,
     author = {Stephan Ruscheweyh},
     title = {Geometrische {Eigenschaften} der {L\"osungen} der {Differentialgleichung} (1-zz)2wzz - n(n + 1) w= 0.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {143--157},
     publisher = {mathdoc},
     volume = {270},
     year = {1974},
     zbl = {0289.35009},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1974__270_151496/}
}