TY - JOUR AU - Doktor, Alexander TI - Mixed problem for semilinear hyperbolic equation of second order with the Dirichlet boundary condition (Preliminary communication) JO - Commentationes Mathematicae Universitatis Carolinae PY - 1972 SP - 185 EP - 189 VL - 13 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1972__13_1_a15/ LA - en ID - CMUC_1972__13_1_a15 ER -