%0 Journal Article %A Mingarelli, Angelo B. %T A note on Sturm-Liouville problems whose spectrum is the set of prime numbers %J Electronic Journal of Differential Equations %D 2011 %V 2011 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_2011__2011__a91/ %G en %F EJDE_2011__2011__a91