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@article{MZ_1957__67_169680, author = {Wolfgang Walter}, title = {\"uber die {Euler-Poisson-Darboux-Gleichung.}}, journal = {Mathematische Zeitschrift}, pages = {361--376}, publisher = {mathdoc}, volume = {67}, year = {1957}, language = {de}, url = {http://geodesic.mathdoc.fr/item/MZ_1957__67_169680/} }
Wolfgang Walter. über die Euler-Poisson-Darboux-Gleichung.. Mathematische Zeitschrift, Tome 67 (1957), pp. 361-376. http://geodesic.mathdoc.fr/item/MZ_1957__67_169680/