@article{IM2_1985_25_1_a9,
     author = {V. A. Komarov},
     title = {Estimates of reachable sets for linear systems},
     journal = {Izvestiya. Mathematics},
     pages = {193--206},
     year = {1985},
     volume = {25},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1985_25_1_a9/}
}