%0 Journal Article %A Tudor Zamfirescu %T Nonexistence of Curvature in Most Points of Most Convex Surfaces. %J Mathematische Annalen %D 1980 %P 217-220 %V 252 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1980__252_163457/ %F MAN_1980__252_163457