@article{oai:tsukuba.repo.nii.ac.jp:00053613, author = {MIYASHITA, Toshikazu}, issue = {2}, journal = {Tsukuba Journal of Mathematics}, month = {Oct}, pages = {239--311}, title = {Realization of globally exceptional $Z_2 x Z_2$ - symmetric spaces}, volume = {38}, year = {2014} }