@article{oai:ksu.repo.nii.ac.jp:00009863,
 author = {ICHIDA, Kozo and ICHIDA, Kozo},
 journal = {KSU economic and business review, KSU economic and business review},
 month = {},
 note = {1, KJ00000005792, P},
 pages = {1--12},
 title = {Optimal Path Problems Using Interval Analysis},
 volume = {16},
 year = {1989}
}