%0 Journal Article
%A Karol Borsuk
%T Hopf's extension theorem in the theory of shape
%J Colloquium Mathematicum
%D 1974
%P 211-212
%V 32
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-32-2-211-212/
%R 10.4064/cm-32-2-211-212
%G en
%F 10_4064_cm_32_2_211_212