Giova, Raffaella, and Antonia Passarelli di Napoli. “Regularity Results for Local Minimizers of Functionals With Discontinuous Coefficients”. Bruno Pini Mathematical Analysis Seminar 7, no. 1 (January 1, 2016): 129–146. Accessed May 6, 2024. https://mathematicalanalysis.unibo.it/article/view/6695.