TY - JOUR AU - È. L. Akim AU - Z. P. Vlasova TI - A model of lunar gravitational field according to the observation of motion of its artificial satellites ``Luna-10, 12, 14, 19 and 22'' JO - Doklady Akademii Nauk PY - 1977 SP - 38 EP - 41 VL - 235 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1977_235_1_a7/ LA - ru ID - DAN_1977_235_1_a7 ER -