@article{02105494,
title = {On boundedness of maximal functions in Sobolev spaces.},
journal = {Annales Academiae Scientiarum Fennicae. Mathematica},
volume = {29},
year = {2004},
pages = {167-176},
zbl = {1059.46020},
language = {en},
url = {http://dml.mathdoc.fr/item/02105494}
}
Hajłasz, Piotr; Onninen, Jani. On boundedness of maximal functions in Sobolev spaces.. Annales Academiae Scientiarum Fennicae. Mathematica, Tome 29 (2004) pp. 167-176. http://gdmltest.u-ga.fr/item/02105494/