%0 Journal Article
%A N. M. Gulevich
%T On the radius of a compact set in Hilbert space
%J Zapiski Nauchnykh Seminarov POMI
%D 1988
%P 157-158
%V 167
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZNSL_1988_167_a10/
%G ru
%F ZNSL_1988_167_a10