1. Л. B. Антонян, O классификацию однородных элементы $$ {{\mathbb{Z}}_2} $$ -градуированных полупростых алгебр Ли, Вестник Моск. Ун-та, Cер. 1 Матем Мех. (1982), no. 2, 29–34. Engl. transl.: L. V. Antonyan, On the classification of homogeneous elements of $$ {{\mathbb{Z}}_2} $$ -graded semisimple Lie algebras, Moscow Univ. Math. Bull. 37 (1982), no. 2, 36–43.
2. A. Bialynicki-Birula, On homogeneous affine spaces of linear algebraic groups, Amer. J. Math. 85 (1963), 577–582.
3. M. Bulois, Sheets of symmetric Lie algebras and Slodowy slices, J. Lie Theory 21 (2011), 1–54.
4. M. Duo, Opérateurs différentiels invariants sur un espace symétrique, C. R. Acad. Sci., Paris, Sér. A−B 289 (1979), no. 2, A135−A137.
5. F. Gonzalez, S. Helgason, Invariant differential operators on Grassmann manifolds, Adv. Math. 60 (1986), 81–91.