TY - JOUR AU - V. A. Il'in TI - Necessary and sufficient conditions for being a basis in $L_{p}$ JO - Doklady Akademii Nauk PY - 1983 SP - 789 EP - 793 VL - 273 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_273_4_a3/ LA - ru ID - DAN_1983_273_4_a3 ER -