Cufí, Julià, and Joan Verdera. “Differentiability Properties of Riesz Potentials of Finite Measures and Non-Doubling Calderón--Zygmund Theory”. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE 18, no. 3 (May 21, 2018): 1081-1123. Accessed May 26, 2026. https://journals-dev.sns.it/index.php/annaliscienze/article/view/607.