%0 Journal Article %A A. B. Kurzhanskii %T An analytical description of the set of enduring trajectories of a~differential system %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1985 %P 201-202 %V 40 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1985_40_4_a42/ %G en %F RM_1985_40_4_a42