Equation 11.44.13FEE1099EB406

\begin{equation} \int _ X |v|^{nq} f^ q\, \mathrm{d}V \leq \| f\| _ p^ q \left(\int _ X|v|^{nqp/(p-q)}\, \mathrm{d}V\right)^{(p-q)/p}. \end{equation}