Doktor, Alexander Mixed problem for semilinear hyperbolic equation of second order with the Dirichlet boundary condition. Preliminary communication. (English) Zbl 0229.35055 Commentat. Math. Univ. Carol. 13, 185-189 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page MSC: 35L70 Second-order nonlinear hyperbolic equations 35M10 PDEs of mixed type PDFBibTeX XMLCite \textit{A. Doktor}, Commentat. Math. Univ. Carol. 13, 185--189 (1972; Zbl 0229.35055) Full Text: EuDML