DLMF:1.17.E17
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Math Formula Information
Formula: Failed to parse (SVG (MathML can be enabled via browser plugin): Invalid response ("Math extension cannot connect to Restbase.") from server "https://wikimedia.org/api/rest_v1/":): {\displaystyle \frac{1}{2\pi}\sum_{k=-\infty}^{\infty}e^{-ika}\left(\int_{-\pi}^{\pi}\phi(x)e^{ikx}\diff{x}\right)=\phi(a),}
Name: DLMF:1.17.E17
Description:
Data Source
https://lct.wmflabs.org/w/index.php?title=Special:EntityPage/Q676