%0 Journal Article
%A M. Ivanov
%A N. Zlateva
%T Barrier Functions in Subdifferential Theory
%J Journal of convex analysis
%D 2020
%P 1091-1098
%V 27
%N 4
%U http://geodesic.mathdoc.fr/item/JCA_2020_27_4_JCA_2020_27_4_a0/
%F JCA_2020_27_4_JCA_2020_27_4_a0