TY - JOUR AU - M. S. Salakhitdinov AU - A. K. Urinov TI - On a boundary value problem for an equation of mixed type with nonsmooth lines of degeneration JO - Doklady Akademii Nauk PY - 1982 SP - 539 EP - 541 VL - 262 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1982_262_3_a6/ LA - ru ID - DAN_1982_262_3_a6 ER -