%0 Journal Article %A Fredric D. Ancel %A Julia M. Wilson %T Optics in Croke–Kleiner Spaces %J Bulletin of the Polish Academy of Sciences. Mathematics %D 2010 %P 147-165 %V 58 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ba58-2-6/ %R 10.4064/ba58-2-6 %G en %F 10_4064_ba58_2_6