%0 Journal Article
%A L. P. Vlasov
%T ``Suns'' and geometric properties of the unit sphere in a~Banach space
%J Trudy Instituta matematiki i mehaniki
%D 1998
%P 247-253
%V 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TIMM_1998_5_a17/
%G en
%F TIMM_1998_5_a17