TY - JOUR AU - V. N. Temlyakov TI - On estimates of the best bilinear approximations of periodic functions and singular numbers of integral operators JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1987 SP - 213 EP - 214 VL - 180 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1987_180_a130/ LA - ru ID - TM_1987_180_a130 ER -