%0 Journal Article %A Kamoun, Lotfi %T An Lp − Lq - Version of Morgan's Theorem Associated with Partial Differential Operators %J Fractional calculus and applied analysis %D 2005 %P 299-312 %V 8 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/FCAA_2005_8_3_a4/ %G en %F FCAA_2005_8_3_a4