%0 Journal Article %A P.E.T. Jorgensen %A S. Pedersen %T Spectral Pairs in Cartesian Coordinates. %J The journal of Fourier analysis and applications [[Elektronische Ressource]] %D 1999 %P 285-302 %V 5 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/JFAA_1999__5_4_59606/ %F JFAA_1999__5_4_59606