Podkolzin, G. B., and Yu. Chapovsky. “Construction of Continuous Cocycles for the Bicrossed Product of Locally Compact Groups”. Ukrains’kyi Matematychnyi Zhurnal 61, no. 2 (February 25, 2009): 243-260. Accessed February 9, 2023. https://umj.imath.kiev.ua/index.php/umj/article/view/3016.