Halim, Benali, and Abdelkader Senouci. “Equivalent Quasi-Norms Involving Differences and Moduli of Continuity in Anisotropic Nikol’skii-Besov Spaces”. Eurasian Mathematical Journal 7, no. 2 (June 30, 2016): 7–18. Accessed October 31, 2025. https://emj.enu.kz/index.php/main/article/view/631.