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