@article{IVM_1984_2_a4,
     author = {E. M. Il'in},
     title = {The principle of limit absorption and scattering by noncompact {obstacles.~II}},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {27--34},
     publisher = {mathdoc},
     number = {2},
     year = {1984},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1984_2_a4/}
}