%0 Journal Article %A E. A. Kudryavtseva %T Periodic motions of a planetary system with double planets. The generalized Hill problem %J Vestnik Moskovskogo universiteta. Matematika, mehanika %D 1999 %P 59-61 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/VMUMM_1999_4_a12/ %G ru %F VMUMM_1999_4_a12