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Nisar K, Sharma V, Khan A. On King type modification of $(p,q)$-Lupaş Bernstein operators with improved estimates. Carpathian Math. Publ. [Internet]. 2023 Apr. 6 [cited 2024 Nov. 22];15(1):20-3. Available from: https://vps.pnu.edu.ua/index.php/cmp/article/view/5007