%0 Journal Article
%A Gary Lawlor
%T The angle criterion.
%J Inventiones mathematicae
%D 1989
%P 437-446
%V 95
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1989__95_3_143660/
%F IM_1989__95_3_143660