@article{oai:tsukuba.repo.nii.ac.jp:00029818,
 author = {Barletta, Elisabetta},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {77--97},
 title = {The Lichnerowicz theorem on CR manifolds},
 volume = {31},
 year = {2007}
}