@article{MZM_2004_75_3_a3,
     author = {V. V. Grushin},
     title = {On the {Eigenvalues} of {Finitely} {Perturbed} {Laplace} {Operators} in {Infinite} {Cylindrical} {Domains}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {360--371},
     publisher = {mathdoc},
     volume = {75},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2004_75_3_a3/}
}