%0 Journal Article
%A Ji-Ping Sha
%T A secondary Chern-Euler class
%J Annals of mathematics
%D 1999
%V 150
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM_1999_150_3_a10/
%F AM_1999_150_3_a10