%0 Journal Article %A V. B. Lidskii %T A non-selfadjoint operator of Sturm-Liouville type with a discrete spectrum %J Trudy Moskovskogo matematičeskogo obŝestva %D 1960 %P 45-79 %V 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1960_9_a1/ %G ru %F MMO_1960_9_a1