TY - JOUR AU - H. M. Nadzafov TI - The second Cauchy--Goursat problem for an equation of Tricomi type with discontinuous coefficients on a~portion of the boundary of its region JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1967 SP - 72 EP - 78 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1967_5_a9/ LA - ru ID - IVM_1967_5_a9 ER -