Babenko V, Babenko V, Kovalenko O, Parfinovych N. Some sharp Landau-Kolmogorov–Nagy-type inequalities in Sobolev spaces of multivariate functions. Ukr. Mat. Zhurn. [Internet]. 2023 Oct. 24 [cited 2025 Dec. 5];75(10):1347-53. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/7680