%0 Journal Article %A Pak Tung Ho %T Rigidity in a conformal class of contact form on CR manifold %J Comptes Rendus. Mathématique %D 2015 %P 167-172 %V 353 %N 2 %I Elsevier %R 10.1016/j.crma.2014.11.010 %G en %F CRMATH_2015__353_2_167_0