@article{CRMATH_2015__353_2_167_0,
     author = {Ho, Pak Tung},
     title = {Rigidity in a conformal class of contact form on {CR} manifold},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {167--172},
     publisher = {Elsevier},
     volume = {353},
     number = {2},
     year = {2015},
     doi = {10.1016/j.crma.2014.11.010},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.crma.2014.11.010/}
}