%0 Journal Article %A È. L. Akim %A Z. P. Vlasova %T A model of lunar gravitational field according to the observation of motion of its artificial satellites ``Luna-10, 12, 14, 19 and 22'' %J Doklady Akademii Nauk %D 1977 %P 38-41 %V 235 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1977_235_1_a7/ %G ru %F DAN_1977_235_1_a7