@article{oai:teapot.lib.ocha.ac.jp:00034902,
 author = {Ogawa, Yosuke},
 issue = {1},
 journal = {お茶の水女子大學自然科學報告},
 month = {Jul},
 note = {application/pdf, 紀要論文},
 pages = {9--12},
 title = {A Symmetry of Order 4 on Sasakian Spaces},
 volume = {23},
 year = {1972}
}