Abstract
Let C[a,b] denote the class of all real functions f(x) which, are defined and continuous on the closed interval [a,b] of the real x-axis and let C 2π denote the class of all real functions which are defined, continuous, and periodic with period 2π on the real axis (-∞,∞).
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Schurer, F. (1964). On Linear Positive Operators. In: Butzer, P.L., Korevaar, J. (eds) On Approximation Theory / Über Approximationstheorie. ISNM International Series of Numerical Mathematics / Internationale Schriftenreihe zur Nummerischen Mathematik / Série Internationale D’Analyse Numérique, vol 5 . Springer, Basel. https://doi.org/10.1007/978-3-0348-4131-3_18
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DOI: https://doi.org/10.1007/978-3-0348-4131-3_18
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