@article{oai:rikkyo.repo.nii.ac.jp:00009907,
 author = {Higa, Tatsuo},
 issue = {1},
 journal = {Commentarii mathematici Universitatis Sancti Pauli, Rikkyo Daigaku sugaku zasshi},
 month = {Jun},
 note = {P(論文)},
 pages = {15--33},
 title = {Conformal Manifolds admitting Ricci-flat Weyl Structures},
 volume = {47},
 year = {1998}
}