@article{LKN_2022_32_32_a0,
     author = {A. T. Il'ichev},
     title = {Stability of bound states in infinite domains},
     journal = {Lekcionnye kursy NOC},
     pages = {3--58},
     year = {2022},
     volume = {32},
     number = {32},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/LKN_2022_32_32_a0/}
}