“On the best approximation by ‘angles’ in the mean on the plane $\mathbb{R}^2$ with the Chebyshev-Hermite weight”., ЗПІМ, vol. 11, no. 3, pp. 35–46, Jun. 2014, Accessed: Sep. 09, 2026. Available: https://trim.imath.kiev.ua/index.php/trim/article/view/65