-\sum^n_{m=1}
\left(\,\sum^\infty_{k=1} \frac{ h^{k-1} }{\left(w_m-z_0\right)^2}
\right) = \sum^\infty_{k=1} s_k\, h^{k-1}
f(z)\cdot\mathop{\rm Ind}\nolimits_\gamma(z) =
\frac{1}{2\pi i}\oint_\gamma\frac{f({\scriptstyle\xi})}{{\scriptstyle\xi}-z}\,d{\scriptstyle\xi}
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