%0 Journal Article %A L. P. Shilnikov %T Generation of a periodic motion from the trajectory going from the state of equilibrium of the saddle-saddle type into the same state %J Doklady Akademii Nauk %D 1966 %P 49-52 %V 170 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_170_1_a11/ %G ru %F DAN_1966_170_1_a11