%0 Journal Article %A Doktor, Alexander %T Mixed problem for semilinear hyperbolic equation of second order with Dirichlet boundary condition %J Czechoslovak Mathematical Journal %D 1973 %P 95-122 %V 23 %N 1 %I mathdoc %U https://geodesic-test.mathdoc.fr/articles/10.21136/CMJ.1973.101149/ %R 10.21136/CMJ.1973.101149 %G en %F 10_21136_CMJ_1973_101149