Kostova, V. At. “An Exact Estimate in the Theory of Approximation of the Function \(x^\alpha\) With Bernstein Polynomials in Hausdorff Metric”. Anal. Numér. Théor. Approx. 16, no. 2 (August 1, 1987): 133–140. Accessed December 25, 2024. https://ictp.acad.ro/jnaat/journal/article/view/1987-vol16-no2-art6.