Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1964__83_170217, author = {Ernst Wienholtz}, title = {Zur {Regularit\"at} schwacher {L\"osungen} f\"ur elliptische {Systeme} partieller {Differentialoperatoren.}}, journal = {Mathematische Zeitschrift}, pages = {85--118}, publisher = {mathdoc}, volume = {83}, year = {1964}, zbl = {0156.34302}, url = {http://geodesic.mathdoc.fr/item/MZ_1964__83_170217/} }
Ernst Wienholtz. Zur Regularität schwacher Lösungen für elliptische Systeme partieller Differentialoperatoren.. Mathematische Zeitschrift, Tome 83 (1964), pp. 85-118. http://geodesic.mathdoc.fr/item/MZ_1964__83_170217/