%0 Journal Article
%A Helle, Gard Olav
%A Rognes, John
%T Boardman's Whole-Plane Obstruction Group for Cartan-Eilenberg Systems
%J Documenta mathematica
%D 2019
%P 1855-1878
%V 24
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DOCMA_2019__24__a18/
%G en
%F DOCMA_2019__24__a18