Bekmaganbetov K, Kervenev K, Nursultanov E. Nikol’skii-Besov spaces with a dominant mixed derivative and with a mixed metric: interpolation properties, embedding theorems, trace and extension theorems. EMJ [Internet]. 2025 Jun. 30 [cited 2025 Aug. 25];16(2):30-41. Available from: https://emj.enu.kz/index.php/main/article/view/757