TY - JOUR AU - A. Yu. Popov TI - On the completeness of sparse subsequences of systems of functions of the form $f^{(n)}(\lambda_nz)$ JO - Izvestiya. Mathematics PY - 2004 SP - 1025 EP - 1049 VL - 68 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_2004_68_5_a6/ LA - en ID - IM2_2004_68_5_a6 ER -