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@article{IVM_2008_10_a3, author = {N. B. Pleschinskii and {\CYRK}. Sh. Mu{\cyrl}hutdinov}, title = {Approximation of {Dual} {Spaces} and {Dual} {Operators}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {31--38}, publisher = {mathdoc}, number = {10}, year = {2008}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2008_10_a3/} }
N. B. Pleschinskii; К. Sh. Muлhutdinov. Approximation of Dual Spaces and Dual Operators. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 10 (2008), pp. 31-38. http://geodesic.mathdoc.fr/item/IVM_2008_10_a3/