[1]
R. A. Lasuriya, “Structural properties of functions defined on a sphere on the basis of Φ-strong approximation”, Ukr. Mat. Zhurn., vol. 58, no. 1, pp. 20–25, Jan. 2006, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/3431