@article{oai:tsukuba.repo.nii.ac.jp:00016274, author = {Kim, Hyang Sook and Takagi, Ryoichi}, issue = {2}, journal = {Tsukuba Journal of Mathematics}, month = {Dec}, pages = {349--356}, title = {The type number of real hypersurfaces in Pn(C)}, volume = {20}, year = {1996} }