DrozdYu. A., and Plakosh А. І. “Chernikov 2-Groups With the Kleinian Top and Totally Reducible Bottoms”. Ukrains’kyi Matematychnyi Zhurnal 73, no. 7 (July 20, 2021): 1005 - 1008. Accessed November 23, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/6552.