@article{10_4064_sm8368_12_2015,
     author = {Stefan Steinerberger},
     title = {A rigidity phenomenon for the {Hardy{\textendash}Littlewood} maximal function},
     journal = {Studia Mathematica},
     pages = {263--278},
     publisher = {mathdoc},
     volume = {229},
     number = {3},
     year = {2015},
     doi = {10.4064/sm8368-12-2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm8368-12-2015/}
}