User:Takarazuka Family Land/memo

[edit] Wikipedia:Translation/*/How-to

$H \epsilon [z]=\int_{C\epsilon} \frac{[-w]^{z-1}e^{-w}}{1-e^{-w}}dw$

For $I[w]<0,|arg(-w)|<\pi,\epsilon \ne 2\pi k >0 Where {C\epsilon}$ is Hankel contour