EN
We prove a lower semicontinuity result for variational integrals associated with a given first order elliptic complex, extending, in this general setting, a well known result in the case $𝓓'(ℝⁿ,ℝ) → \limits^{∇} 𝓓'(ℝⁿ,ℝⁿ) →\limits^{curl} 𝓓'(ℝⁿ,ℝ^{n×n})$.