@article{oai:teapot.lib.ocha.ac.jp:00034881, author = {Tachibana, Shun-ichi}, 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 = {7--16}, title = {On Kahlerian Manifolds of σ-Positive Curvature Operator}, volume = {25}, year = {1974} }