@article{10_4064_sm_130_1_53_65,
     author = {Gianfranco Marletta and Fulvio Ricci},
     title = {Two-parameter maximal functions associated with homogeneous surfaces in $\ensuremath{\mathbb{R}}^n$},
     journal = {Studia Mathematica},
     pages = {53--65},
     publisher = {mathdoc},
     volume = {130},
     number = {1},
     year = {1998},
     doi = {10.4064/sm-130-1-53-65},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-130-1-53-65/}
}