%0 Journal Article %A M. S. Eremin %T Spectral function of the Sturm--Liouville equation with an impurity potential that is bounded on the half-axis %J Matematičeskie zametki %D 1990 %P 151-153 %V 48 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1990_48_2_a20/ %G ru %F MZM_1990_48_2_a20