%0 Journal Article
%A Doković, D. Ž.
%A Check, P.
%A Hée, J.-Y.
%T On Closed Subsets of Root Systems
%J Canadian mathematical bulletin
%D 1994
%P 338-345
%V 37
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-050-4/
%R 10.4153/CMB-1994-050-4
%F 10_4153_CMB_1994_050_4