%0 Journal Article
%A Peter C. Oxley
%T Ends and Amalgamated Free Products of Groups.
%J Mathematische Zeitschrift
%D 1972
%P 265-272
%V 127
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1972__127_171773/
%F MZ_1972__127_171773