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@article{DE_1996_32_9_a6, author = {P. A. Krutitskii}, title = {A mixed problem for the {Helmholtz} equation outside cuts on the plane}, journal = {Differencialʹnye uravneni\^a}, pages = {1202--1211}, publisher = {mathdoc}, volume = {32}, number = {9}, year = {1996}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DE_1996_32_9_a6/} }
P. A. Krutitskii. A mixed problem for the Helmholtz equation outside cuts on the plane. Differencialʹnye uravneniâ, Tome 32 (1996) no. 9, pp. 1202-1211. http://geodesic.mathdoc.fr/item/DE_1996_32_9_a6/