scientific article; zbMATH DE number 3077906
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Publication:5816815
zbMath0049.32301MaRDI QIDQ5816815
Publication date: 1951
Full work available at URL: http://mathnet.ru/eng/tm1119
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best approximation by trigonometric polynomialsfunctions of several real variablesbest approximation by entire functionsperiodic functions of several real variables
Trigonometric approximation (42A10) Best approximation, Chebyshev systems (41A50) Approximation in the complex plane (30E10) Inequalities in the complex plane (30A10)
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