DLMF:

Figure 14.22.3 (See in context.)

Figure 14.22.3: $\mathop{P^{{-1}}_{{\ifrac{1}{2}}}\/}\nolimits\!\left(x+iy\right),-5\leq x\leq 5% ,-5\leq y\leq 5$ . There is a cut along the real axis from $-\infty$ to 1.

Annotations:

Symbols:: $\mathop{P^{{\mu}}_{{\nu}}\/}\nolimits\!\left(z\right)$ : associated Legendre function of the first kind
Permalink:: http://dlmf.nist.gov/14.22.F3.mag
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