%0 Journal Article
%A Wise, Daniel T.
%T Approximating Flats by Periodic Flats in CAT(0) Square Complexes
%J Canadian journal of mathematics
%D 2005
%P 416-448
%V 57
%N 2
%U http://geodesic.mathdoc.fr/articles/10.4153/CJM-2005-018-x/
%R 10.4153/CJM-2005-018-x
%F 10_4153_CJM_2005_018_x