Astala, Kari, Daniel Faraco, and László Székelyhidi Jr. “Convex Integration and the L^p Theory of Elliptic Equations”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 7, no. 1 (May 5, 2009): 1-50. Accessed May 26, 2026. https://journals-dev.sns.it/index.php/annaliscienze/article/view/142.