TY - JOUR AU - Yu. Belov TI - Bessel sequences with finite upper density in the de Branges spaces JO - Algebra i analiz PY - 2015 SP - 15 EP - 27 VL - 27 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AA_2015_27_4_a1/ LA - ru ID - AA_2015_27_4_a1 ER -