Laver, V., and Z. Balogh. “Unitary Subgroups of Commutative Group Algebras of Characteristic Two”. Ukrains’kyi Matematychnyi Zhurnal 72, no. 6 (May 25, 2020): 751–757. Accessed April 26, 2025. https://umj.imath.kiev.ua/index.php/umj/article/view/1068.