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MATHEMATICS
On the impossibility of constructing a linear polynomial operator furnishing an approximation within the order of the best approximation
D. L. Berman Novgorod State Pedagogical Istitute
Citation:
D. L. Berman, “On the impossibility of constructing a linear polynomial operator furnishing an approximation within the order of the best approximation”, Dokl. Akad. Nauk SSSR, 120:6 (1958), 1175–1177
Linking options:
https://www.mathnet.ru/eng/dan23177 https://www.mathnet.ru/eng/dan/v120/i6/p1175
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