@article{JRAM_1952__189_150206,
     author = {Hans Hornich},
     title = {Zur {L\"osbarkeit} von gewissen elliptischen {Differentialgleichungen.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {204--206},
     publisher = {mathdoc},
     volume = {189},
     year = {1952},
     zbl = {0046.10302},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1952__189_150206/}
}