@article{MZ_1940__46_168906,
     author = {G., Doetsch},
     title = {Ein {Zusammenhang} zwischen {Randwertproblemen} verschiedenen {Typs}},
     journal = {Mathematische Zeitschrift},
     pages = {315--328},
     publisher = {mathdoc},
     volume = {46},
     year = {1940},
     zbl = {0023.04103},
     url = {http://geodesic.mathdoc.fr/item/MZ_1940__46_168906/}
}