@article{SM_2012_203_3_a4,
     author = {A. N. Kurbatskii},
     title = {Convex hulls of a~curve in control theory},
     journal = {Sbornik. Mathematics},
     pages = {406--423},
     publisher = {mathdoc},
     volume = {203},
     number = {3},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2012_203_3_a4/}
}