@article{oai:tsukuba.repo.nii.ac.jp:00017238,
 author = {Hosokawa, Hiroshi},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {239--250},
 title = {Induced mappings on hyperspaces},
 volume = {21},
 year = {1997}
}