%0 Journal Article %A Yu. I. Lyubarskii %T Basicity of a portion of a root system of a polynomial bundle %J Funkcionalʹnyj analiz i ego priloženiâ %D 1989 %P 67-68 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1989_23_3_a11/ %G ru %F FAA_1989_23_3_a11