TY - JOUR AU - È. L. Akim AU - V. A. Stepaniants AU - Z. P. Vlasova TI - Determination of Earth's and Lunar masses based on observations of the motion of ``Venus-4'', ``Venus-5'', ``Venus-6'', and ``Venus-7'' automatic interplanetary stations moving off the Earth JO - Doklady Akademii Nauk PY - 1971 SP - 1303 EP - 1306 VL - 201 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_201_6_a9/ LA - ru ID - DAN_1971_201_6_a9 ER -