%0 Journal Article %A A. A. Uspenskii %T Derivatives by virtue of diffeomorphisms and their applications in control theory and geometrical optics %J Trudy Instituta matematiki i mehaniki %D 2015 %P 252-266 %V 21 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/TIMM_2015_21_2_a20/ %G ru %F TIMM_2015_21_2_a20