Guiding Gu, Wang Li & Ren-Cang Li. (2022). Highly Accurate Latouche-Ramaswami Logarithmic Reduction Algorithm for Quasi-Birth-and-Death Process.
            <i>Journal of Mathematical Study</i>. <i>55</i> (2).
            180-194.
         doi:10.4208/jms.v55n2.22.05