@article{oai:soar-ir.repo.nii.ac.jp:00012280,
 author = {KOSHIBA,  ZEN'ICHIRO},
 issue = {2},
 journal = {信州大学理学部紀要},
 month = {Mar},
 note = {Article, 信州大学理学部紀要 2(2): 123-124(1968)},
 pages = {123--124},
 title = {An Example of Differential Equation such that every Solution is Asymptotically Vanishing, but the Equilibrium is Unstable},
 volume = {2},
 year = {1968}
}