TY - JOUR AU - A. M. Nakhushev TI - On the theory of boundary value problems for an equation of mixed hyperbolic-parabolic type JO - Doklady Akademii Nauk PY - 1977 SP - 273 EP - 276 VL - 235 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_235_2_a7/ LA - ru ID - DAN_1977_235_2_a7 ER -