%0 Journal Article %A M. B. Aksen' %A A. H. Turetzkii %T On best quadrature formulae for certain classes of functions %J Doklady Akademii Nauk %D 1966 %P 1019-1021 %V 166 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1966_166_5_a1/ %G ru %F DAN_1966_166_5_a1