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@article{IVM_1985_12_a9, author = {V. I. Plotnikov and I. M. Starobinets}, title = {Operator inclusions in smooth extremal problems}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {42--48}, publisher = {mathdoc}, number = {12}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_12_a9/} }
V. I. Plotnikov; I. M. Starobinets. Operator inclusions in smooth extremal problems. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 12 (1985), pp. 42-48. http://geodesic.mathdoc.fr/item/IVM_1985_12_a9/