%0 Journal Article %A V. V. Bykov %T The generation of periodic motions from the separatrix contour of a three-dimensional system %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1977 %V 32 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1977_32_6_a7/ %G ru %F RM_1977_32_6_a7