%0 Journal Article
%A E. S. Levitin
%T On differential properties of the optimum value or parametric problems of mathematical programming
%J Doklady Akademii Nauk
%D 1974
%P 792-795
%V 215
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1974_215_4_a6/
%G ru
%F DAN_1974_215_4_a6