%0 Journal Article %A F. N. Garif'yanov %T Transformations of biorthogonal systems, and some of their applications. II %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 1996 %P 13-24 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_1996_8_a2/ %G ru %F IVM_1996_8_a2