%0 Journal Article
%A Zajíček, Luděk
%T Differentiability of the distance function and points of multi-valuedness of the metric projection in Banach space
%J Czechoslovak Mathematical Journal
%D 1983
%P 292-308
%V 33
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101878/
%R 10.21136/CMJ.1983.101878
%G en
%F 10_21136_CMJ_1983_101878