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@article{DAN_1991_319_1_a31, author = {Yu. G. Smirnov}, title = {The {Fredholm} property of the problem of diffraction by a flat}, journal = {Doklady Akademii Nauk}, pages = {147--149}, publisher = {mathdoc}, volume = {319}, number = {1}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1991_319_1_a31/} }
Yu. G. Smirnov. The Fredholm property of the problem of diffraction by a flat. Doklady Akademii Nauk, Tome 319 (1991) no. 1, pp. 147-149. http://geodesic.mathdoc.fr/item/DAN_1991_319_1_a31/