BABENKO, V.; BABENKO, V.; KOVALENKO, O.; PARFINOVYCH, N. Some sharp Landau-Kolmogorov–Nagy-type inequalities in Sobolev spaces of multivariate functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 75, n. 10, p. 1347–1353, 2023. DOI: 10.3842/umzh.v75i10.7680. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/7680. Acesso em: 5 dec. 2025.