@article{PMF_1934_41_1_a4,
     author = {Hoborski, A.},
     title = {\"Uber vollst\"andige {Systeme} partieller {Differentialgleichungen}},
     journal = {Prace Matematyczno-Fizyczne},
     pages = {55--63},
     publisher = {mathdoc},
     volume = {41},
     number = {1},
     year = {1934},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/PMF_1934_41_1_a4/}
}