@article{oai:tsukuba.repo.nii.ac.jp:00015821,
 author = {P., Bueken and L., Vanhecke},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {403--422},
 title = {Geometry and symmetry on Sasakian manifolds},
 volume = {12},
 year = {1988}
}