%0 Journal Article
%A V. I. Berdyshev
%T Differentiation of the concealment function in the case of a convex occluding set
%J Trudy Instituta matematiki i mehaniki
%D 2013
%P 79-84
%V 19
%N 2
%U http://geodesic.mathdoc.fr/item/TIMM_2013_19_2_a7/
%G ru
%F TIMM_2013_19_2_a7