Author:
Vakarchuk S. B.,Vakarchuk M. B.
Publisher
Springer Science and Business Media LLC
Reference11 articles.
1. S. B. Vakarchuk and M. B. Vakarchuk, K-functionals and extreme problems of the approximation theory for classes of analytic functions in a circle. I," Ukr. Mat. Zh., 74, No. 4, 469-485 (2022)
2. English translation: Ukr. Math. J., 74, No. 4, 532-550 (2022).
3. S. B. Vakarchuk, "On some extremal problems of approximation theory in the complex plane," Ukr. Mat. Zh., 56, No. 9, 1155-1171 (2004)
4. English translation: Ukr. Math. J., 56, No. 9, 1371-1390 (2004).
5. I. A. Shevchuk, Approximation by Polynomials and Traces of Functions Continuous on a Segment [in Russian], Naukova Dumka, Kiev (1992).