Premysl Ziska, Miroslav Vlcek, Milos Laipert. Design of digital all-pass filters with equal-ripple group delay frequency response. In Proceedings of the 2005 European Conference on Circuit Theory and Design, ECCTD 2005, Cork Ireland, August 29th - September 1st 2005. pages 365-368, IEEE, 2005. [doi]
Abstract is missing.