%0 Journal Article
%A G. E. Ivanov
%T On Well Posed Best Approximation Problems for a Nonsymmetric Seminorm
%J Journal of convex analysis
%D 2013
%P 501-529
%V 20
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/JCA_2013_20_2_JCA_2013_20_2_a11/
%F JCA_2013_20_2_JCA_2013_20_2_a11