%0 Journal Article %A Z. Kadelburg %T Asymptotic of ``the spectral functions'' of two non-self-adjoint boundary-value problems %J Matematičeskie zametki %D 1981 %P 659-667 %V 30 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1981_30_5_a2/ %G ru %F MZM_1981_30_5_a2