%0 Journal Article %A Castro, L.P. %A Kapanadze, D. %T Pseudo-Differential Operators in a Wave Diffraction Problem with Impedance Conditions %J Fractional calculus and applied analysis %D 2008 %P 15-26 %V 11 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/FCAA_2008_11_1_a0/ %G en %F FCAA_2008_11_1_a0