@article{PIM_1964_N_S_04_18_a13,
     author = {Stanimir Fempl},
     title = {Regul\"are {L\"osungen} {Eines} {Systems} {Partieller} {Differentialgleichungen}},
     journal = {Publications de l'Institut Math\'ematique},
     pages = {115 },
     publisher = {mathdoc},
     volume = {_N_S_04},
     number = {18},
     year = {1964},
     url = {http://geodesic.mathdoc.fr/item/PIM_1964_N_S_04_18_a13/}
}