Sickel, Winfried, Dachun Yang, and Wen Yuan. “The Radial Lemma of Strauss in the Context of Morrey Spaces”. Annales Fennici Mathematici 39, no. 1 (February 1, 2014): 417–442. Accessed November 25, 2024. https://afm.journal.fi/article/view/135492.