@article{AA_2021_33_1_a8,
     author = {N. D. Filonov},
     title = {Schr\" odinger operator in a cylinder with a decreasing potential},
     journal = {Algebra i analiz},
     pages = {213--245},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2021_33_1_a8/}
}