RebenkoA. L., and TertychnyiM. V. “Property of Mixing of Continuous Classical Systems With strong superstable Interactions”. Ukrains’kyi Matematychnyi Zhurnal, Vol. 69, no. 8, Aug. 2017, pp. 1084-95, https://umj.imath.kiev.ua/index.php/umj/article/view/1760.