TY - JOUR A1 - Pieper, Martin T1 - Vector hyperinterpolation on the sphere T2 - Journal of approximation theory. 156 (2009), H. 2 Y1 - 2009 UR - https://opus.bibliothek.fh-aachen.de/opus4/frontdoor/index/index/docId/4950 SN - 0021-9045 SP - 173 EP - 186 ER -