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