@article{oai:tsukuba.repo.nii.ac.jp:00039395,
 author = {BAI, Yun-Feng and MIWA, Takuo},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {},
 pages = {179--196},
 title = {On p-Maps and M-Maps},
 volume = {32},
 year = {2008}
}