Hyperinterpolation on the sphere
K. Hesse, I. H. Sloan, in: N.K. Govil, H.N. Mhaskar, R. N. Mohapatra, Z. Nashed , J. Szabados (Eds.), Frontiers in Interpolation and Approximation (Dedicated to the Memory of Ambikeshwar Sharma), Chapman &; Hall/CRC, 2006, pp. 213–248.