%0 Journal Article %A V. N. Temlyakov %T Estimates for the best bilinear approximations of periodic functions %J Informatics and Automation %D 1988 %P 250-267 %V 181 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1988_181_a15/ %G ru %F TRSPY_1988_181_a15