%0 Journal Article %A Yu. I. Lyubarskii %T Properties of systems of linear combinations of powers %J Algebra i analiz %D 1989 %P 1-69 %V 1 %N 6 %U http://geodesic.mathdoc.fr/item/AA_1989_1_6_a0/ %G ru %F AA_1989_1_6_a0