TY - JOUR AU - V. N. Temlyakov TI - Estimates of best bilinear approximations of functions and approximation numbers of integral operators JO - Matematičeskie zametki PY - 1992 SP - 125 EP - 134 VL - 51 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1992_51_5_a16/ LA - ru ID - MZM_1992_51_5_a16 ER -