Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1984_1_a6, author = {E. M. Il'in}, title = {The principle of limit absorption and scattering by noncompact {obstacles.~I}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {46--55}, publisher = {mathdoc}, number = {1}, year = {1984}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1984_1_a6/} }
E. M. Il'in. The principle of limit absorption and scattering by noncompact obstacles.~I. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (1984), pp. 46-55. http://geodesic.mathdoc.fr/item/IVM_1984_1_a6/