%0 Journal Article %A N. A. Lebedev %A P. M. Tamrazov %T Inverse approximation theorems on closed sets of the complex plane %J Doklady Akademii Nauk %D 1968 %P 1046-1049 %V 179 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_179_5_a9/ %G ru %F DAN_1968_179_5_a9