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@article{IVM_1971_3_a1, author = {D. L. Berman}, title = {Certain properties of interpolation processes}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {12--17}, publisher = {mathdoc}, number = {3}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1971_3_a1/} }
D. L. Berman. Certain properties of interpolation processes. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 3 (1971), pp. 12-17. http://geodesic.mathdoc.fr/item/IVM_1971_3_a1/