%0 Journal Article %A M. Benalili %A A. Lansari %T Spectral properties of the adjoint operator and applications %J Lobachevskii journal of mathematics %D 2005 %P 33-51 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/LJM_2005_18_a2/ %G en %F LJM_2005_18_a2