%0 Journal Article
%A Wohlfahrt, Klaus
%T A direct proof of Leutbecher's Lemma
%J Glasgow mathematical journal
%D 1972
%P 179-180
%V 13
%N 2
%U http://geodesic.mathdoc.fr/articles/10.1017/S0017089500001634/
%R 10.1017/S0017089500001634
%F 10_1017_S0017089500001634