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@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/} }
Hoborski, A. Über vollständige Systeme partieller Differentialgleichungen. Prace Matematyczno-Fizyczne, Tome 41 (1934) no. 1, pp. 55-63. http://geodesic.mathdoc.fr/item/PMF_1934_41_1_a4/