%0 Journal Article
%A L. B. Shapiro
%T The~category characteristic of a~hyperspace
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1988
%P 233-234
%V 43
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1988_43_4_a25/
%G en
%F RM_1988_43_4_a25