%0 Journal Article %A L. B. Borisova %T Relative oscillations of test particles in comoving reference frames %J Doklady Akademii Nauk %D 1975 %P 786-789 %V 225 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_225_4_a11/ %G ru %F DAN_1975_225_4_a11