%0 Journal Article %A I. S. Lomov %T The Il'in spectral method for determination of the properties of the basis property and the uniform convergence of biorthogonal expansions on a finite interval %J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics %D 2019 %P 34-58 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ISU_2019_19_1_a3/ %G ru %F ISU_2019_19_1_a3