@article{MOMA_1955__59_176958,
     author = {Hans Hornich},
     title = {\"Uberall unl\"osbare lineare partielle {Differentialgleichungen.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {34--42},
     publisher = {mathdoc},
     volume = {59},
     year = {1955},
     zbl = {0064.09303},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1955__59_176958/}
}