%0 Journal Article %A V. P. Motornyi %A O. V. Motornaya %T Best average approximation of the classes of differentiable functions by algebraic polynomials %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1995 %P 171-188 %V 210 %I mathdoc %U http://geodesic.mathdoc.fr/item/TM_1995_210_a9/ %G ru %F TM_1995_210_a9