KALYUZHNYI, A. A.; PODKOLZIN, G. B.; CHAPOVSKY, Yu. Finding cocycles in the bicrossed product construction for Lie groups. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 59, n. 11, p. 1510–1522, 2007. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3407. Acesso em: 14 apr. 2025.