%0 Journal Article
%A V. N. Solov'ev
%T The subdifferential and the directional derivatives of the maximum of a~family of convex functions
%J Izvestiya. Mathematics 
%D 1998
%P 807-832
%V 62
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1998_62_4_a6/
%G en
%F IM2_1998_62_4_a6