1.
Draganov B. UPPER ESTIMATES OF THE APPROXIMATION RATE OF COMBINATIONS OF ITERATES OF THE BERNSTEIN OPERATOR. Ann. Sofia Univ. Fac. Math. and Inf. [Internet]. 2013 Dec. 12 [cited 2024 Nov. 24];101:95-104. Available from: https://ftl5.uni-sofia.bg./index.php/fmi/article/view/232