Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_1988_179_a5, author = {E. M. Il'in}, title = {Scattering by unbounded obstacles for second-order elliptic operators}, journal = {Informatics and Automation}, pages = {80--101}, publisher = {mathdoc}, volume = {179}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TRSPY_1988_179_a5/} }
E. M. Il'in. Scattering by unbounded obstacles for second-order elliptic operators. Informatics and Automation, Boundary value problems of mathematical physics. Part 13, Tome 179 (1988), pp. 80-101. http://geodesic.mathdoc.fr/item/TRSPY_1988_179_a5/