%0 Journal Article
%A Alfred Pietrowski
%T The Isomorphism Problem for One-relator Groups with Non-trivial Centre.
%J Mathematische Zeitschrift
%D 1974
%P 95-106
%V 136
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1974__136_172028/
%F MZ_1974__136_172028