TY - JOUR AU - A. B. Kurzhanskii TI - An analytical description of the set of enduring trajectories of a~differential system JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1985 SP - 201 EP - 202 VL - 40 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1985_40_4_a42/ LA - en ID - RM_1985_40_4_a42 ER -