%0 Journal Article %A Marková, Libuše %T Semicanonical moving frame of the hypersurface in a unimodular 4-dimensional affine space %J Acta Universitatis Palackianae Olomucensis. Facultas Rerum Naturalium. Mathematica %D 1971 %P 103-107 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/AUPO_1971__11_1_a8/ %G en %F AUPO_1971__11_1_a8