%0 Journal Article %A A. A. Talalyan %T On the connection between the properties of completeness and unconditional convergence for orthogonal systems %J Sbornik. Mathematics %D 1983 %P 507-513 %V 45 %N 4 %U http://geodesic.mathdoc.fr/item/SM_1983_45_4_a6/ %G en %F SM_1983_45_4_a6