@article{oai:tsukuba.repo.nii.ac.jp:00029697,
 author = {Ando, Naoya},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {1--30},
 title = {Semisurfaces and the equations of Codazzi-Mainardi},
 volume = {30},
 year = {2006}
}