TY - JOUR AU - A. Dzhuraev TI - Formulation of three-dimensional elliptic boundary value problems JO - Doklady Akademii Nauk PY - 1991 SP - 33 EP - 37 VL - 319 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1991_319_1_a5/ LA - ru ID - DAN_1991_319_1_a5 ER -