Masahiro Fukumoto Hajime Kubota Shigeo Tsujii Simplification of stochastic fastest NLMS algorithm. 158-161 1999 conf/iscas/1999 ISCAS (3) http://doi.ieeecomputersociety.org/10.1109/ISCAS.1999.778809 db/conf/iscas/iscas1999-3.html#FukumotoKT99