On the Kolmogorov-Stein inequality. Ha Huy Bang; Hoang Mai Le — 1999 Journal of Inequalities and Applications [electronic only]
A Landau-Kolmogorov inequality for Orlicz spaces. Ha Huy Bang; Mai Thi Thu — 2002 Journal of Inequalities and Applications [electronic only]
Best Constants for the Inequalities between Equivalent Norms in Orlicz Spaces Ha Huy Bang; Nguyen Van Hoang; Vu Nhat Huy — 2011 Bulletin of the Polish Academy of Sciences. Mathematics We investigate best constants for inequalities between the Orlicz norm and Luxemburg norm in Orlicz spaces.