TY  - RPRT
TI  - A test of a modified algorithm for computing spherical harmonic coefficients using an FFT
AU  - Elowitz, Mark
AU  - Hill, Frank
AU  - Duvall, Thomas L., Jr.
PY  - 1989
UR  - https://ntrs.nasa.gov/citations/19890047279
ID  - 19890047279
ER  -