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Elementare Herleitung einiger Formeln aus der Theorie der Gammafunktion. - MaRDI portal

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Elementare Herleitung einiger Formeln aus der Theorie der Gammafunktion. (Q1503050)

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scientific article; zbMATH DE number 2653705
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English
Elementare Herleitung einiger Formeln aus der Theorie der Gammafunktion.
scientific article; zbMATH DE number 2653705

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    Elementare Herleitung einiger Formeln aus der Theorie der Gammafunktion. (English)
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    1904
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    Hier werden die Formeln von Gudermann und Binet sowie die Cauchysche Integraldarstellung \[ \omega(x) = \int_0^\infty e^{-tx}\left(\frac1{e^t-1} - \frac1t + \frac12\right)\frac{dt}t,\quad \Re(x)>0, \] aus der einfachen Integralformel \[ \frac1x = \int_0^\infty e^{-tx}dt,\quad \Re(x)>0, \] hergeleitet.
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