%0 Journal Article %A Sh. R. Mamedov %T Certain interrelations between the degree of best approximation of analytic functions and the coefficients of their series expansion %J Doklady Akademii Nauk %D 1965 %P 770-772 %V 165 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1965_165_4_a10/ %G ru %F DAN_1965_165_4_a10