\[
\boxed{
{\it d4y} \left( x \right) - \left( 12\,{k}^{2} \left( {\it JacobiSN} \left( z,x \right)  \right) ^{2}+a \right) {\frac {{\rm d}^{2}}{{\rm d}{x}^{2}}}y \left( x \right) +b{\frac {\rm d}{{\rm d}x}}y \left( x \right) + \left( \alpha\, \left( {\it JacobiSN} \left( z,x \right)  \right) ^{2}+\beta \right) y \left( x \right) =0}
\]