%0 Journal Article
%T Dedication: Ted Bisztriczky
%J Canadian mathematical bulletin
%D 2009
%P 323-326
%V 52
%N 3
%U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2009-035-4/
%R 10.4153/CMB-2009-035-4
%F 10_4153_CMB_2009_035_4