@article{AFM_2024_49_2_a15, author = {Fr\'ed\'eric Bayart}, title = {Essential norms of composition operators and multipliers acting between different {Hardy} spaces}, journal = {Annales Fennici Mathematici}, pages = {713{\textendash}729--713{\textendash}729}, publisher = {mathdoc}, volume = {49}, number = {2}, year = {2024}, doi = {10.54330/afm.152664}, language = {en}, url = {http://geodesic.mathdoc.fr/articles/10.54330/afm.152664/} }