Paul N. Swarztrauber, William F. Spotz. Spherical harmonic projectors. Math. Comput., 73(246):753-760, 2004.
@article{SwarztrauberS04, title = {Spherical harmonic projectors}, author = {Paul N. Swarztrauber and William F. Spotz}, year = {2004}, researchr = {https://researchr.org/publication/SwarztrauberS04}, cites = {0}, citedby = {0}, journal = {Math. Comput.}, volume = {73}, number = {246}, pages = {753-760}, }