Daniel W. Lozier, J. M. Smith. Algorithm 567: Extended-Range Arithmetic and Normalized Legendre Polynomials [A1], [C1]. ACM Transactions on Mathematical Software, 7(1):141-146, 1981. [doi]
@article{LozierS81, title = {Algorithm 567: Extended-Range Arithmetic and Normalized Legendre Polynomials [A1], [C1]}, author = {Daniel W. Lozier and J. M. Smith}, year = {1981}, doi = {10.1145/355934.355944}, url = {http://doi.acm.org/10.1145/355934.355944}, researchr = {https://researchr.org/publication/LozierS81}, cites = {0}, citedby = {0}, journal = {ACM Transactions on Mathematical Software}, volume = {7}, number = {1}, pages = {141-146}, }