1. Ancochea, J.M.; Campoamor Stursberg R., Characteristically nilpotent Lie algebras: a survey. Extracta Math.
16 (2001), no. 2, 153–210.
2. Auslander, L.; Markus, L., Holonomy of flat affinely connected manifolds. Ann. of Math. (2) 62 (1955), 139–151.
3. Bahturin, Yuri; Goze, Michel., Z
2 × Z
2-symmetric spaces. Pacific J. Math. Vol. 2, 615–663, North-Holland, Amsterdam, 2000.
4. Bahturin, Yuri; Goze, Michel; Remm, Elisabeth, Group Gradings on Lie Algebras, with Applications to Geometry. I, in: Developments and Retrospective in Lie theory, Algebric methods, Developments in Mathematics, Vol. 38, Springer, 2014, 1–50.
5. Bahturin, Yuri; Zaicev, Mikhail, Involutions on graded matrix algebras, J. Algebra 315 (2007), 527–540.