%0 Journal Article %A Arne Persson %T Bounds for the Discrete Part of the Spectrum of a Semi-Bounded Schrödinger Operator. %J Mathematica Scandinavica %D 1960 %P 143-153 %V 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1960__8_165742/ %F MS2_1960__8_165742