For ![R[nu]>-1/2](/images/equations/PoissonsBesselFunctionFormula/Inline1.svg)
,
 |
where 
is a Bessel function of the first kind,
and 
is the gamma function.
Poisson's Bessel Function Formula
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References
Iyanaga, S. and Kawada, Y. (Eds.). Encyclopedic Dictionary of Mathematics. Cambridge, MA: MIT Press, p. 1472, 1980.Referenced on Wolfram|Alpha
Poisson's Bessel Function FormulaCite this as:
Weisstein, Eric W. "Poisson's Bessel Function Formula." From MathWorld--A Wolfram Web Resource. https://mathworld.wolfram.com/PoissonsBesselFunctionFormula.html