%0 Journal Article
%A S.L.G. Choi
%T A Direct Proof of a Theorem of Roth.
%J Mathematische Annalen
%D 1973
%P 1-8
%V 205
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1973__205_162479/
%F MAN_1973__205_162479