%0 Journal Article %A S. E. Kozlov %T Estimates for the areas of spherical representations of two-dimensional surfaces in Riemannian manifolds %J Matematičeskie zametki %D 1989 %P 120-122 %V 46 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1989_46_3_a17/ %G ru %F MZM_1989_46_3_a17