@phdthesis{oai:niigata-u.repo.nii.ac.jp:02000264,
 author = {Ike, Koichiro and 池, 浩一郎},
 month = {2022-04-04, 2022-04-04},
 note = {新大院博(理)第466号},
 school = {新潟大学, Niigata University},
 title = {Further Study on Possibility-Theoretical Indices for Comparing Fuzzy Sets},
 year = {}
}