%0 Journal Article %A V. N. Temlyakov %T Approximate recovery of periodic functions of several variables %J Sbornik. Mathematics %D 1987 %P 249-261 %V 56 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1987_56_1_a14/ %G en %F SM_1987_56_1_a14