%0 Journal Article %A Yu. P. Chuburin %T Perturbation Theory of Resonances and Embedded Eigenvalues of the Schrodinger Operator For a Crystal Film %J Teoretičeskaâ i matematičeskaâ fizika %D 2005 %P 417-430 %V 143 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/TMF_2005_143_3_a6/ %G ru %F TMF_2005_143_3_a6