TY - BOOK A1 - Paneah, Boris A1 - Schulze, Bert-Wolfgang T1 - On the existence of smooth solutions of the Dirichlet problem for hyperbolic differential equations T3 - Preprint / Universität Potsdam, Institut für Mathematik Y1 - 1998 VL - 1998, 05 PB - Univ. CY - Potsdam ER -