%0 Journal Article
%A Martin H. Ellis
%T Sweeping Out under a Collection of Transformations.
%J Mathematische Zeitschrift
%D 1979
%P 213-222
%V 165
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1979__165_172799/
%F MZ_1979__165_172799