@article{oai:tsukuba.repo.nii.ac.jp:00029822,
 author = {Shu, Shichang},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {175--196},
 title = {Curvature and rigidity of Willmore submanifolds},
 volume = {31},
 year = {2007}
}