TY - JOUR AU - A. I. Koryakin TI - Randomized estimation of the Fourier coefficients of the expansion of a function in $L_2$ JO - Doklady Akademii Nauk PY - 1980 SP - 1301 EP - 1305 VL - 251 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1980_251_6_a3/ LA - ru ID - DAN_1980_251_6_a3 ER -