@article{MOMA_1962__66_177160,
     author = {Hans Hornich},
     title = {Existenztheorem f\"ur lineare partielle {Differentialgleichungen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {152--160},
     publisher = {mathdoc},
     volume = {66},
     year = {1962},
     zbl = {0103.06201},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1962__66_177160/}
}