We prove partial regularity for minimizers of quasiconvex functionals of the type \documentclass[12pt]{minimal}
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\begin{document}$${\int_{\Omega}}f(x,Du) dx$$\end{document} with p(x) growth with respect to the second variable. The proof is direct and it uses a method of \documentclass[12pt]{minimal}
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\begin{document}$$\mathcal{A}$$\end{document}–harmonic approximation.