@article{oai:ynu.repo.nii.ac.jp:00002314,
 author = {Higashida, Akira},
 issue = {2},
 journal = {横浜経営研究},
 month = {Sep},
 note = {application/pdf},
 pages = {123--125},
 title = {A Note on the Validity of Mean-Variance Criterion},
 volume = {7},
 year = {1986}
}