@article{AFM_2007_32_2_a7,
     author = {Keith M. Rogers and Paco Villarroya},
     title = {Global estimates for the {Schr\"odinger} maximal operator},
     journal = {Annales Fennici Mathematici},
     pages = {425--435},
     publisher = {mathdoc},
     volume = {32},
     number = {2},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_2007_32_2_a7/}
}