TY - JOUR AU - S. V. Khrushchev TI - Perturbation theorems for bases of exponentials and Muckenhoupt's condition JO - Doklady Akademii Nauk PY - 1979 SP - 44 EP - 48 VL - 247 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1979_247_1_a9/ LA - ru ID - DAN_1979_247_1_a9 ER -