%0 Journal Article %A D. B. Bazarkhanov %T Estimates for the widths of classes of periodic functions of several variables~--~I %J Eurasian mathematical journal %D 2010 %P 11-26 %V 1 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/EMJ_2010_1_3_a1/ %G en %F EMJ_2010_1_3_a1