@article{AFM_2014_39_1_a9,
     author = {Hannes Luiro and Juho Nuutinen},
     title = {On the continuity of discrete maximal operators in {Sobolev} spaces},
     journal = {Annales Fennici Mathematici},
     pages = {175--185},
     publisher = {mathdoc},
     volume = {39},
     number = {1},
     year = {2014},
     doi = {10.5186/aasfm.2014.3916},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.5186/aasfm.2014.3916/}
}