ANASTASSIOU GA, KESTER M. Quantitative uniform approximation by generalized discrete singular operators. Stud. Univ. Babeş-Bolyai Math. [Internet]. 2015 Mar. 30 [cited 2025 Feb. 5];60(1):39-60. Available from: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/5658