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@article{DAN_1982_263_1_a15, author = {V. V. Shcherbak}, title = {The matrix operators in the external diffraction problems}, journal = {Doklady Akademii Nauk}, pages = {67--70}, publisher = {mathdoc}, volume = {263}, number = {1}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1982_263_1_a15/} }
V. V. Shcherbak. The matrix operators in the external diffraction problems. Doklady Akademii Nauk, Tome 263 (1982) no. 1, pp. 67-70. http://geodesic.mathdoc.fr/item/DAN_1982_263_1_a15/