TY - JOUR AU - V. P. Mikhailov TI - On Riesz bases in $\mathscr{L}_2(0,1)$ JO - Doklady Akademii Nauk PY - 1962 SP - 981 EP - 984 VL - 144 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_144_5_a9/ LA - ru ID - DAN_1962_144_5_a9 ER -