%0 Journal Article %A P. I. Shveikin %T Application of normal objects to the geometry of a~surface in a~projective space %J Itogi Nauki i Tekhniki. Seriya Problemy Geometrii. Trudy Geometricheskogo Seminara %D 1974 %P 157-170 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTG_1974_6_a7/ %G ru %F INTG_1974_6_a7