%0 Journal Article %A J. Lazović %T Change in the Mutual Distance of Celestial Bodies Resulting From Changes in Some of Their %J Publications of the Department of Astronomy %D 1985 %P 5 - 11 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/PDA_1985_13_1_a0/ %F PDA_1985_13_1_a0