Petrenyuk, A. Ya. “Nonexistence of Some T-Factorizations of Order 12”. Ukrains’kyi Matematychnyi Zhurnal 58, no. 5 (May 25, 2006): 666–674. Accessed May 3, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/3484.