An Adaptive Hierarchical Approximation Method on the Sphere Using Axisymmetric Locally Supported Basis Functions.

Rüdiger Brand Willi Freeden Jochen Fröhlich An Adaptive Hierarchical Approximation Method on the Sphere Using Axisymmetric Locally Supported Basis Functions. 187-212 1996 57 Computing 3 http://link.springer.de/link/service/journals/00607/bibs/6057003/60570187.htm db/journals/computing/computing57.html#BrandFF96