]> $$f\left(t;\nu ;\delta \right)=\frac{\nu t}{{\nu }^2+2\nu t^2+t^4}\sum _{i=0}^{\infty }\left(P_i{I}_x^{\prime }\left(i+\frac{1}{2},\frac{\nu }{2}\right)+\frac{\delta }{\sqrt{2}}{Q}_i{I}_x^{\prime }\left(i+\mathrm{1,}\frac{\nu }{2}\right)\right)$$