@article{Pawelke2007,
  author    = {Siegfried Pawelke},
  title     = {{\"U}ber die Approximationsordnung bei Kugelfunktionen und algebraischen Polynomen},
  journal   = {Tohoku Mathematical Journal (2)},
  volume    = {24},
  number    = {3},
  pages     = {473 -- 486},
  doi       = {10.2748/tmj/1178241489},
  year      = {2007},
}