Daniel Pak-Kong Lun, Wan-Chi Siu. Fast radix-3/9 discrete Hartley transform. IEEE Transactions on Signal Processing, 41(7):2494-2499, 1993. [doi]
@article{LunS93a,
title = {Fast radix-3/9 discrete Hartley transform},
author = {Daniel Pak-Kong Lun and Wan-Chi Siu},
year = {1993},
doi = {10.1109/78.224258},
url = {http://dx.doi.org/10.1109/78.224258},
researchr = {https://researchr.org/publication/LunS93a},
cites = {0},
citedby = {0},
journal = {IEEE Transactions on Signal Processing},
volume = {41},
number = {7},
pages = {2494-2499},
}