Willi Freeden, Richard Reuter. Exact computation of spherical harmonics. Computing, 32(4):365-378, 1984. [doi]
@article{FreedenR84, title = {Exact computation of spherical harmonics}, author = {Willi Freeden and Richard Reuter}, year = {1984}, doi = {10.1007/BF02243779}, url = {http://dx.doi.org/10.1007/BF02243779}, researchr = {https://researchr.org/publication/FreedenR84}, cites = {0}, citedby = {0}, journal = {Computing}, volume = {32}, number = {4}, pages = {365-378}, }