TY - JOUR AU - U. Raitums TI - On optimal control problems for linear elliptic equations JO - Doklady Akademii Nauk PY - 1979 SP - 828 EP - 830 VL - 244 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_244_4_a8/ LA - ru ID - DAN_1979_244_4_a8 ER -