%0 Journal Article %A V. D. Budaev %T The unconditional basis property of systems of root vector %J Doklady Akademii Nauk %D 1992 %P 999-1003 %V 323 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1992_323_6_a0/ %G ru %F DAN_1992_323_6_a0