%0 Journal Article
%A L.D. Andersen
%A C. Thomassen
%T The cover-index of infinite graphs.
%J Aequationes mathematicae
%D 1980
%P 244-251
%V 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1980__20_182401/
%F AM2_1980__20_182401