TY - JOUR AU - A. M. Olevskii TI - Extension of DuBois-Reymond's theorem to bounded orthonormal systems of functions JO - Doklady Akademii Nauk PY - 1965 SP - 1069 EP - 1072 VL - 163 IS - 5 UR - http://geodesic.mathdoc.fr/item/DAN_1965_163_5_a6/ LA - ru ID - DAN_1965_163_5_a6 ER -