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@article{IVM_1971_5_a13, author = {V. F. Sholohovich}, title = {The approximate solution of unstable extremal problems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {101--108}, publisher = {mathdoc}, number = {5}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_5_a13/} }
V. F. Sholohovich. The approximate solution of unstable extremal problems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 5 (1971), pp. 101-108. http://geodesic.mathdoc.fr/item/IVM_1971_5_a13/