@article{RM_1985_40_4_a42,
     author = {A. B. Kurzhanskii},
     title = {An analytical description of the set of enduring trajectories of a~differential system},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {201--202},
     publisher = {mathdoc},
     volume = {40},
     number = {4},
     year = {1985},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1985_40_4_a42/}
}