KRYAKIN, Yu. V.; TAKEV, M. D. Interpolation Whitney constants. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 8, p. 1038–1043, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5501. Acesso em: 5 dec. 2025.