@article{oai:repository.dl.itc.u-tokyo.ac.jp:00039506, author = {Nagano, Tadashi and Ochiai, Takushiro}, issue = {2}, 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 = {Oct}, note = {application/pdf}, pages = {233--246}, title = {On compact Riemannian manifolds admitting essential projective transformations(Dedicated of Professor Nagayoshi Iwahori on his 60th birthday)}, volume = {33}, year = {1986} }