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