@article{oai:tsukuba.repo.nii.ac.jp:00016125,
 author = {Watanabe, Tadashi},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {1--41},
 title = {Approximative shape III -Fixed point theorems-},
 volume = {12},
 year = {1988}
}