Best approximation of a differentiation operator in L2-space

Introduction to the Theory of Fourier Integrals

A. C. Offord · Nature · 1938 · 2.3K citations · Full text

Natural Sciences, Mathematics, Physics +11

Best approximation of linear operators

Mathematical Notes · 1967 · 178 citations

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Functions of Exponential Type

Edward Stein · Annals of Mathematics · 1957 · 138 citations

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