\[
\boxed{
2\,x{\frac {{\rm d}^{3}}{{\rm d}{x}^{3}}}y \left( x \right) -4\, \left( x+\nu-1 \right) {\frac {{\rm d}^{2}}{{\rm d}{x}^{2}}}y \left( x \right) + \left( 2\,x+6\,\nu-5 \right) {\frac {\rm d}{{\rm d}x}}y \left( x \right) + \left( 1-2\,\nu \right) y \left( x \right) =0}
\]