Signal analysis by generalized Hilbert transforms on the unit sphere
@inproceedings{Wietzke2008ICNAAM,
author       = "L. Wietzke and O. Fleischmann and G. Sommer",
title        = "Signal analysis by generalized Hilbert transforms on the unit sphere",
booktitle    = "International Conference on Numerical Analysis and Applied Mathematics",
year         = "2008",
editor       = "T. E. Simos",
pages = "706-709",
volume = "1048",
publisher    = "AIP Conference Proceedings, Melville, New York"
}