Starovoitov AP, Kechko EP, Osnach TM. On the existence of trigonometric Hermite – Jacobi approximations and non-linear Hermite – Chebyshev approximations. Журнал Белорусского государственного университета. Математика. Информатика [Internet]. 2023 Jul. 25 [cited 2026 Jul. 17];(2):6-17. Available from: https://journals.bsu.by/index.php/mathematics/article/view/5512