%0 Journal Article
%T Addendum
%J Canadian journal of mathematics
%D 1990
%P 1131-1131
%V 42
%N 6
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-060-7/
%R 10.4153/CJM-1990-060-7
%F 10_4153_CJM_1990_060_7