@article{oai:soar-ir.repo.nii.ac.jp:00017447,
 author = {西川,  耿},
 journal = {信州大学教養部紀要.},
 month = {Mar},
 note = {Article, 信州大学教養部紀要. 26: 153-156(1992)},
 pages = {153--156},
 title = {凸関数の理論Ⅱ},
 volume = {26},
 year = {1992}
}