Template:Math/EQ Euler04

$\frac{\partial \overrightarrow{v}}{\partial t}+\overrightarrow{\zeta }\times \overrightarrow{v}=-\frac{1}{\rho }\mathrm{\nabla }P-\mathrm{\nabla }[\mathrm{\Phi }+\frac{1}{2}{v}^2]$