@article{oai:niigata-u.repo.nii.ac.jp:00001960,
 author = {Motoki, Tatsuya},
 issue = {4},
 journal = {Information Processing Letters},
 month = {Aug},
 pages = {177--182},
 title = {Inductive Inference from All Positive and Some Negative Data},
 volume = {39},
 year = {1991}
}