TY - JOUR AU - A. Yu. Popov TI - On the completeness of systems of exponentials with real exponents of a given upper density in the space of analytic functions JO - Vestnik Moskovskogo universiteta. Matematika, mehanika PY - 1999 SP - 48 EP - 52 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VMUMM_1999_5_a7/ LA - ru ID - VMUMM_1999_5_a7 ER -