@article{PawelkeBerensButzer2007,
  author    = {Siegfried Pawelke and H. Berens and Paul L. Butzer},
  title     = {Limitierungsverfahren von Reihen mehrdimensionaler Kugelfunktionen und deren Saturationsverhalten},
  journal   = {Publications of the Research Institute for Mathematical Sciences, Series A},
  volume    = {4},
  number    = {2},
  pages     = {201 -- 268},
  doi       = {10.2977/prims/1195194875},
  year      = {2007},
}