@article{oai:tsukuba.repo.nii.ac.jp:00016035,
 author = {Manabe, Hiroki},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {191--202},
 title = {Pluriharmonic maps into principal fiber bundle and vertical torsion},
 volume = {16},
 year = {1992}
}