%0 Journal Article
%A T.W. Cusick
%T View-Obstruction Problems. (Short Communications).
%J Aequationes mathematicae
%D 1972
%P 197-198
%V 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1972__8_136286/
%F AM2_1972__8_136286