%0 Journal Article %A Harutyunyan, Tigran N. %T Representation of the norming constants by two spectra %J Electronic Journal of Differential Equations %D 2010 %V 2010 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2010__2010__a276/ %G en %F EJDE_2010__2010__a276