%0 Journal Article %A E. V. Oshman %T Continuity of metric projection and some geometric properties of the unit sphere in a Banach space %J Doklady Akademii Nauk %D 1969 %P 34-36 %V 185 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1969_185_1_a7/ %G ru %F DAN_1969_185_1_a7