SLOVÁK, Jan. Bernstein-Gelfand-Gelfand sequences. Online. In International Conference on Lie Groups, Geometric Structures and Differential Equations. Kyoto: Kyoto University. p. 14-23
SLOVÁK, Jan. Parabolic geometries and Bernstein-Gelfand-Gelfand sequences. Online. In Proceedings of the fourth international workshop on differential geometry. Brasov: Transilvania University Press. p. 261-266. ISBN 973-9474-68-3