Ferahtia, N., and S.E. Allaoui. “A Generalization of a Localization Property of Besov Spaces”. Carpathian Mathematical Publications 10, no. 1 (July 3, 2018): 71–78. Accessed May 8, 2024. https://scijournals.pnu.edu.ua/index.php/cmp/article/view/1471.