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@article{IVM_1975_7_a10, author = {M. A. Yagubov}, title = {A~certain optimal control problem for an elliptic equation}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {92--98}, publisher = {mathdoc}, number = {7}, year = {1975}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1975_7_a10/} }
M. A. Yagubov. A~certain optimal control problem for an elliptic equation. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1975), pp. 92-98. http://geodesic.mathdoc.fr/item/IVM_1975_7_a10/