@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039533, author = {Hattori, Akio}, issue = {3}, journal = {Journal of the Faculty of Science, the University of Tokyo. Sect. 1 A, Mathematics = 東京大学理学部紀要. 第1類A, 数学}, month = {Jan}, note = {application/pdf}, pages = {433--486}, title = {$S\sp 1$-actions on unitary manifolds and quasi-ample line bundles(Dedicated to Professor Minoru Nakaoka on his sixtieth birthday)}, volume = {31}, year = {1985} }