%0 Journal Article
%A Nygaard, Niels O.
%T Construction of some classes in the cohomology of Siegel modular threefolds
%J Compositio Mathematica
%D 1995
%P 173-186
%V 97
%N 1-2
%I Kluwer Academic Publishers
%U http://www.numdam.org/item/CM_1995__97_1-2_173_0/
%G en
%F CM_1995__97_1-2_173_0