TY - JOUR AU - È. S. Belinskii TI - Approximation by a~``floating'' system of exponentials on classes of periodic smooth functions JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1987 SP - 46 EP - 47 VL - 180 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1987_180_a18/ LA - ru ID - TM_1987_180_a18 ER -