%0 Journal Article %A Hassani, Masoud %T On the irreducible action of $ \text{PSL}(2,\mathbb{R})$ on the 3-dimensional Einstein universe %J Comptes Rendus. Mathématique %D 2017 %P 1133-1137 %V 355 %N 11 %I Elsevier %U http://www.numdam.org/articles/10.1016/j.crma.2017.10.003/ %R 10.1016/j.crma.2017.10.003 %G en %F CRMATH_2017__355_11_1133_0