@article{oai:tsukuba.repo.nii.ac.jp:00016294, author = {Urakawa, Hajime}, issue = {2}, journal = {Tsukuba Journal of Mathematics}, month = {Dec}, pages = {387--397}, title = {Self-dual connections of homogeneous principal bundles over quaternionic Kaehler symmetric spaces}, volume = {20}, year = {1996} }