%0 Journal Article
%A Ando, Matthew
%T The sigma orientation for analytic circle-equivariant elliptic cohomology
%J Geometry & topology
%D 2003
%P 91-153
%V 7
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.2140/gt.2003.7.91/
%R 10.2140/gt.2003.7.91
%F GT_2003_7_1_a2