%0 Journal Article %A Kh. Kh. Murtazin %T Expansions in characteristic functions of the nonself-adjoint Schr\"odinger operator %J Matematičeskie zametki %D 1971 %P 333-342 %V 9 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1971_9_3_a11/ %G ru %F MZM_1971_9_3_a11