@inproceedings{Pawelke2007, author = {Siegfried Pawelke}, title = {Approximationstheorie mit Hilfe von Jacobi-Polynomen und Kugelfunktionen}, booktitle = {Proceedings of the conference jointly organized by the Mathematical Institute of the Polish Academy of Sciences and the Institute of Mathematics of the Adam Mickiewicz University, held in Poznan, 22-26 August, 1972}, editor = {Zbigniew Ciesielski}, pages = {157 -- 173}, year = {2007}, }