%0 Journal Article %A A. A. Nersesyan %T Bounded point derivations on $R(X)$ and approximation with simultaneous interpolation %J Matematičeskie zametki %D 1991 %P 66-72 %V 49 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1991_49_3_a9/ %G ru %F MZM_1991_49_3_a9