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@article{DAN_1989_308_1_a4, author = {Yu. V. Zasorin}, title = {The {Helmholtz} equation with an anisotropic source}, journal = {Doklady Akademii Nauk}, pages = {27--31}, publisher = {mathdoc}, volume = {308}, number = {1}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1989_308_1_a4/} }
Yu. V. Zasorin. The Helmholtz equation with an anisotropic source. Doklady Akademii Nauk, Tome 308 (1989) no. 1, pp. 27-31. http://geodesic.mathdoc.fr/item/DAN_1989_308_1_a4/