\[
\boxed{
{\frac {{\rm d}^{2}}{{\rm d}{x}^{2}}}y \left( x \right) +{\frac { \left( 11\,{\it WeierstrassP} \left( x,a,b \right) {\it WeierstrassPPrime} \left( x,a,b \right) -6\, \left( {\it WeierstrassP} \left( x,a,b \right)  \right) ^{2}+a/2 \right) {\frac {\rm d}{{\rm d}x}}y \left( x \right) }{{\it WeierstrassPPrime} \left( x,a,b \right) + \left( {\it WeierstrassP} \left( x,a,b \right)  \right) ^{2}}}+{\frac { \left(  \left( {\it WeierstrassPPrime} \left( x,a,b \right)  \right) ^{2}- \left( {\it WeierstrassP} \left( x,a,b \right)  \right) ^{2}{\it WeierstrassPPrime} \left( x,a,b \right) -{\it WeierstrassP} \left( x,a,b \right)  \left( 6\, \left( {\it WeierstrassP} \left( x,a,b \right)  \right) ^{2}-a/2 \right)  \right) y \left( x \right) }{{\it WeierstrassPPrime} \left( x,a,b \right) + \left( {\it WeierstrassP} \left( x,a,b \right)  \right) ^{2}}}=0}
\]