@article{ISU_2014_14_4_a12,
     author = {A. V. Svetlov},
     title = {On {Spectrum} of {Schr\"odinger} {Operator} on {Manifold} of a {Special} {Type}},
     journal = {Izvestiya of Saratov University. Mathematics. Mechanics. Informatics},
     pages = {584--589},
     publisher = {mathdoc},
     volume = {14},
     number = {4},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ISU_2014_14_4_a12/}
}