TY - JOUR AU - I. I. Ibragimov TI - The completeness of systems of analytic functions that are generated by successive derivatives of analytic functions JO - Doklady Akademii Nauk PY - 1969 SP - 726 EP - 729 VL - 187 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a4/ LA - ru ID - DAN_1969_187_4_a4 ER -