Best approximation by “angles” of analytic in the unit bidisk functions von Vakarchuk, S. B., Vakarchuk, M. B., Вакарчук, С. Б., Вакарчук, М. Б.

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On the approximation in the mean with the Chebyshev-Hermite weight by algebraic polynomials on the real axis von Vakarchuk, S. B., Shvachko, A. V., Вакарчук, С. Б., Швачко, А. В.

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On the best approximation by “angles” in the mean on the plane $\mathbb{R}^2$ with the Chebyshev-Hermite weight. von Vakarchuk, S. B., Shvachko, A. V., Вакарчук, С. Б., Швачко, А. В.

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