%0 Journal Article
%A G. E. Ivanov
%T Weak Convexity of Sets and Functions in a Banach Space
%J Journal of convex analysis
%D 2015
%P 365-398
%V 22
%N 2
%U http://geodesic.mathdoc.fr/item/JCA_2015_22_2_JCA_2015_22_2_a2/
%F JCA_2015_22_2_JCA_2015_22_2_a2