@article{oai:aue.repo.nii.ac.jp:00000605,
 author = {Hashimoto, Yukihiro},
 journal = {愛知教育大学研究報告. 自然科学編},
 month = {Mar},
 note = {text},
 pages = {5--14},
 title = {Interval Preserving Map Approximation of 3x + 1 Problem},
 volume = {61},
 year = {2012}
}