%0 Journal Article %A Frédéric Bayart %T Essential norms of composition operators and multipliers acting between different Hardy spaces %J Annales Fennici Mathematici %D 2024 %P 713–729-713–729 %V 49 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.54330/afm.152664/ %R 10.54330/afm.152664 %G en %F AFM_2024_49_2_a15