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@article{MAN_1941__118_160116, author = {G. Tautz}, title = {Zur {Theorie} der elliptischen {Differentialgleichungen.} {II.}}, journal = {Mathematische Annalen}, pages = {733--770}, publisher = {mathdoc}, volume = {118}, year = {1941}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MAN_1941__118_160116/} }
G. Tautz. Zur Theorie der elliptischen Differentialgleichungen. II.. Mathematische Annalen, Tome 118 (1941), pp. 733-770. http://geodesic.mathdoc.fr/item/MAN_1941__118_160116/