%0 Journal Article
%A J. Levine
%T Semi-Free Circel Actions on Spheres.
%J Inventiones mathematicae
%D 1973
%P 161
%V 22
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/IM_1973__22_142244/
%G un
%F IM_1973__22_142244