Elbassioni, Khaled Algorithms and Complexity, MPI for Informatics, Max Planck Society;
Khachiyan, L., Boros, E., Borys, K., Elbassioni, K., & Gurvich, V. (2008). Generating All Vertices of a Polyhedron Is Hard. Discrete & Computational Geometry, 39(1-3), 174-190. doi:10.1007/s00454-008-9050-5.