TY - JOUR AU - F. T. Baranovskii TI - Differential properties of the solution of a~mixed problem for a~degenerate hyperbolic equation JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1963 SP - 15 EP - 24 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1963_6_a1/ LA - ru ID - IVM_1963_6_a1 ER -