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@article{IVM_1981_9_a20, author = {A. P. Tikhonov}, title = {On the univalent solvability of an exterior inverse boundary value problem}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {85--87}, publisher = {mathdoc}, number = {9}, year = {1981}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1981_9_a20/} }
A. P. Tikhonov. On the univalent solvability of an exterior inverse boundary value problem. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1981), pp. 85-87. http://geodesic.mathdoc.fr/item/IVM_1981_9_a20/