@article{10_4064_sm_79_1_7_16,
     author = {Elena Prestini},
     title = {Operators of {Bochner-Riesz} type for the helix},
     journal = {Studia Mathematica},
     pages = {7--16},
     publisher = {mathdoc},
     volume = {79},
     number = {1},
     year = {1984},
     doi = {10.4064/sm-79-1-7-16},
     language = {de},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-79-1-7-16/}
}