1. Л. B. Aнтонян, О клaссuфuкацuu оƌнороƌных элеменmов Z 2-ƨраƌyuрованных nолуросmых алƨебр Лu, Becтн. Mоск. унив., cep. I, мaт., мeх. 37 (1982), 29–34. Engl. transl.: L. V. Antonyan, On the classification of homogeneous elements of $$ {{\mathbb {Z}}_2} $$ -graded semisimple Lie algebras, Mosc. Univ. Math. Bull. 37 (1982), no. 2, 36–43.
2. S. Araki, On root systems and an infinitesimal classification of irreducible symmetric spaces, J. Math. Osaka City Univ. 13 (1962), 1–34.
3. P. Bala, R. W. Carter, Classes of unipotent elements in simple algebraic groups II, Math. Proc. Cambridge Philos. Soc. 80 (1976), 1–18.
4. W. Borho, Über Schichten halbeinfacher Lie-Algebren, Invent. Math. 65 (1981), 283–317.
5. M. Bulois, Composantes irréductibles de la variété commutante nilpotente d’une algèbre de Lie symétrique semi-simple, Ann. Inst. Fourier 59 (2009), 37–80.