Alexander operator
From specialfunctionswiki
The Alexander operator $A$ is defined by $$A\{f\}(z)=\displaystyle\int_0^z \dfrac{f(\tau)}{\tau} \mathrm{d}\tau.$$
The Alexander operator $A$ is defined by $$A\{f\}(z)=\displaystyle\int_0^z \dfrac{f(\tau)}{\tau} \mathrm{d}\tau.$$