@article{DAS_2018_a11,
     author = {Theresa C. Anderson and Brian Cook and Kevin Hughes and Angel Kumchev},
     title = {Improved $\ell^p${-Boundedness} for {Integral} $k${-Spherical} {Maximal} {Functions}},
     journal = {Discrete analysis},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/DAS_2018_a11/}
}