1. G. Berhuy, G. Favi, Essential dimension: a functorial point of view (after A. Merkurjev). Doc. Math. 8 (2003), 279–330.
2. Graduate Texts in Mathematics;A Borel,1991
3. N. Bourbaki, Groupes et Algèbres de Lie, Chaps. IV–VI, Hermann, Paris, 1968. Russian transl.: Н. Бурбаки, Группы и алгебры Ли, главы IV–VI, Мир, M., 1972.
4. J. Buhler, Z. Reichstein, On the essential dimension of a finite group, Compositio Math. 106 (1997), no. 2, 159–179.
5. V. Chernousov, Another proof of Totaro's theorem on E 8 -torsors, Canad. Math. Bull. 49 (2006), no. 2, 196–202.