Issue No.06 - June (1972 vol.21)
L. J. Ricardi , Lincoln Laboratory, Massachusetts Institute of Technology, Lexington, Mass. 07173.
A recurrence technique is described that enables the use of proven efficient Fourier transform techniques to be applied to the expansion of a given function in terms of spherical harmonics.
L. J. Ricardi, "A Recurrence Technique for Expanding a Function in Spherical Harmonics", IEEE Transactions on Computers, vol.21, no. 6, pp. 583-585, June 1972, doi:10.1109/TC.1972.5009011