@article{PIM_1969_N_S_09_23_a15,
     author = {Stanimir Fempl},
     title = {\"Uber {Eine} {Partielle} {Differentialglechung} {In} {Der} {Nichtanalitische} {Funktionen} {Erscheinen}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {115 },
     year = {1969},
     volume = {_N_S_09},
     number = {23},
     url = {http://geodesic.mathdoc.fr/item/PIM_1969_N_S_09_23_a15/}
}