%0 Journal Article %A Ryszard Deszcz %T Certain curvature characterizations of affine hypersurfaces %J Colloquium Mathematicum %D 1992 %P 21-39 %V 63 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-63-1-21-39/ %R 10.4064/cm-63-1-21-39 %G en %F 10_4064_cm_63_1_21_39