Poisson's Bessel function formula states that for ,
where
is a Bessel function of the first kind,
and
is the gamma function.
Poisson's Bessel function formula states that for ,
where
is a Bessel function of the first kind,
and
is the gamma function.
Weisstein, Eric W. "Poisson's Bessel Function Formula." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/PoissonsBesselFunctionFormula.html