GanikhodzhaevN. N., ZhamilovU. U. and Mukhitdinov R. T. (2013) “Nonergodic Quadratic Operators for a Two-Sex Population”, Ukrains’kyi Matematychnyi Zhurnal, 65(8), pp. 1152–1160. Available at: http://umj.imath.kiev.ua/index.php/umj/article/view/2498 (Accessed: 30November2020).