Chaysri , ThanipornHadjidimos , ApostolosNoutsos , Dimitrios and Tachyridis , Grigorios. (2022). Band-Times-Circulant Preconditioners for Non-Symmetric Real Toeplitz Systems with Unknown Generating Function.
            <i>East Asian Journal on Applied Mathematics</i>. <i>12</i> (2).
            285-322.
         doi:10.4208/eajam.230721.251121