KopotunK. A., LeviatanD. and ShevchukI. A. (2010) “Are the degrees of the best (co)convex and unconstrained polynomial approximations the same? II”, Ukrains’kyi Matematychnyi Zhurnal, 62(3), pp. 369–386. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/2873 (Accessed: 6October2024).