@article{oai:niigata-u.repo.nii.ac.jp:00001961,
 author = {Motoki, Tatsuya},
 issue = {5},
 journal = {Information Processing Letters, Information Processing Letters},
 month = {Dec},
 pages = {214--219},
 title = {A Note on Upper Bounds for the Selection Problem},
 volume = {15},
 year = {1982}
}