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A discontinuous integral. - MaRDI portal

A discontinuous integral. (Q5923881)

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scientific article; zbMATH DE number 2532455
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A discontinuous integral.
scientific article; zbMATH DE number 2532455

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    A discontinuous integral. (English)
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    1935
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    Für die Formel \[ \int\limits_{0}^{\infty} \frac{\chi(ax) \; \chi(bx)}{x^2} \, dx = \, \text{Min} \, (a, b) \quad \text{mit} \quad \chi(x) = \int\limits_{0}^{x} t^{\frac{1}{2}} J_{\nu} (t) \, dt \qquad (a, b > 0, \; \nu \geqq - \tfrac{1}{2}), \] die in der Theorie der \textit{Hankel}-Transformierten wichtig ist, werden zwei neue Beweise gegeben.
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