%0 Journal Article
%A F. Levin
%A G. Rosenberger
%A B. Baumslag
%T A cyclically pinched product of free groups which is not residually free.
%J Mathematische Zeitschrift
%D 1993
%P 533-534
%V 212
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1993__212_4_174502/
%F MZ_1993__212_4_174502