Agnieszka Rowinska-Schwarzweller Markus Wintermantel On designing FIR filters using windows based on Gegenbauer polynomials. 413-416 2002 ISCAS (1) http://doi.ieeecomputersociety.org/10.1109/ISCAS.2002.1009865 db/conf/iscas/iscas2002-1.html#Rowinska-SchwarzwellerW02