L. Alieva, Z. S. Gahramanova, and R. M. Rzaev, “On generalized Besov and Campanato spaces”, Ukr. Mat. Zhurn., vol. 69, no. 8, pp. 1096–1106, Aug. 2017, Accessed: Apr. 13, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/1761