TY - JOUR AU - V. N. Temlyakov TI - Approximate recovery of periodic functions of several variables JO - Sbornik. Mathematics PY - 1987 SP - 249 EP - 261 VL - 56 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_1987_56_1_a14/ LA - en ID - SM_1987_56_1_a14 ER -