@article{JFAA_2001__7_4_59688,
     author = {L. Brandolini and A. Iosevich},
     title = {Spherical {Means} and the {Restriction} {Phenomenon.}},
     journal = {The journal of Fourier analysis and applications},
     pages = {359--372},
     year = {2001},
     volume = {7},
     number = {4},
     zbl = {0989.42002},
     url = {http://geodesic.mathdoc.fr/item/JFAA_2001__7_4_59688/}
}