1. Kolesnikov S.G., “On the regular Sylow $ p $-subgroups of Chevalley groups over $ {}_{p^{m}} $,” Sib. Math. J., vol. 47, no. 6, 1054–1059 (2006).
2. The Kourovka Notebook: Unsolved Problems in Group Theory. 20th ed., Khukhro E.I. and Mazurov V.D. (eds.), Sobolev Inst. Math., Novosibirsk (2022).
3. Levchuk V.M., “Commutator structure of some subgroups of Chevalley groups,” Ukrainian Math. J., vol. 44, no. 6, 710–718 (1992).
4. Abe E. and Suzuki K., “On normal subgroups of Chevalley groups over commutative rings,” Tôhoku Math. J., vol. 28, no. 2, 185–198 (1976).
5. Bourbaki N., Éléments de mathématique. Fasc. XXXIV: Groupes et algèbres de Lie.
Chapter IV: Groupes de Coxeter et systèmes de Tits.
Chapter V: Groupes engendrés par des réflexions.
Chapter VI: Systèmes de racines. Actualités Scientifiques et Industrielles, No. 1337, Hermann, Paris (1968).