%0 Journal Article %A Yu. Belov %T Bessel sequences with finite upper density in the de Branges spaces %J Algebra i analiz %D 2015 %P 15-27 %V 27 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/AA_2015_27_4_a1/ %G ru %F AA_2015_27_4_a1