SenashovV. I. “Almost Layer Finiteness of a Periodic Group Without Involutions”. Ukrains’kyi Matematychnyi Zhurnal 51, no. 11 (November 25, 1999): 1529–1533. Accessed November 24, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4754.