%0 Journal Article %A P.R. Goodey %T Intersections of Circles and Curves of Constant Width. %J Mathematische Annalen %D 1974 %P 49-58 %V 208 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1974__208_162556/ %F MAN_1974__208_162556