%0 Journal Article %A A. A. Talalyan %T Questions of representation and uniqueness in the theory of orthogonal series %J Itogi nauki i tehniki. Seriâ, Matematičeskij analiz %D 1971 %P 5-64 %I mathdoc %U http://geodesic.mathdoc.fr/item/INTM_1971_a0/ %G ru %F INTM_1971_a0