%0 Journal Article
%A J.A. Lester
%T Transformations of Robertson-Walker spacetimes preserving separation zero.
%J Aequationes mathematicae
%D 1982
%P 216-232
%V 25
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AM2_1982__25_136965/
%F AM2_1982__25_136965