%0 Journal Article %A S. K. Bloshanskaya %T On the basis property of the system of eigenfunctions and associated functions of a nonselfadjoint differential operator %J Doklady Akademii Nauk %D 1980 %P 17-19 %V 252 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_252_1_a2/ %G ru %F DAN_1980_252_1_a2