%0 Journal Article %A D. G. Gridnev %A I. I. Naumenko-Bondarenko %T Measurements of time variations of gravitational potential %J Doklady Akademii Nauk %D 1991 %P 1102-1105 %V 319 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1991_319_5_a15/ %G ru %F DAN_1991_319_5_a15