@article{10_4064_cm95_1_4,
     author = {Paul Alton Hagelstein},
     title = {A note on rare maximal functions},
     journal = {Colloquium Mathematicum},
     pages = {49--51},
     year = {2003},
     volume = {95},
     number = {1},
     doi = {10.4064/cm95-1-4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm95-1-4/}
}