@article{TMF_2005_143_3_a6,
     author = {Yu. P. Chuburin},
     title = {Perturbation {Theory} of {Resonances} and {Embedded} {Eigenvalues} of the {Schrodinger} {Operator} {For} a {Crystal} {Film}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {417--430},
     publisher = {mathdoc},
     volume = {143},
     number = {3},
     year = {2005},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2005_143_3_a6/}
}