TY - JOUR AU - A. Dzhuraev TI - A boundary value problem for a system of equations of first order in three-dimensional space JO - Doklady Akademii Nauk PY - 1976 SP - 15 EP - 18 VL - 228 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_228_1_a1/ LA - ru ID - DAN_1976_228_1_a1 ER -