%0 Journal Article %A F. N. Garif'yanov %T On biorthogonal systems generated by some involutive operators %J Izvestiâ vysših učebnyh zavedenij. Matematika %D 2003 %P 26-37 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/IVM_2003_10_a3/ %G ru %F IVM_2003_10_a3