Formulario di Abramowitz e Stegun

10.4.11

$$W\left\lbrace \text{Ai} \; (z), \text{Ai} \; (ze^{2 \pi \frac{1}{3}}) \right\rbrace = \frac{1}{2} \pi^{-1} e^{-\pi \frac{i}{6}}$$