How can we do this computation?

$$\iiint\_{R^3} \frac{e^{ik'r}}{r} e^{ik\_1x+k\_2y+k\_3z}dx dy dz$$
where $r=\sqrt{x^2+y^2+z^2}$? I think we must use distributions.

Physically, it's equivalent to find wave vectors $k$ distribution and to write a spherical wave as sum of plane waves.
I know the formula for the inverse problem: write a plane wave as sum of spherical waves. The solution in this case is a serie of spherical harmonics and spherical bessel functions.