@article{oai:nagasaki-u.repo.nii.ac.jp:00016203,
 author = {Adachi, Kenzo and Kawamoto, Shigeto},
 journal = {長崎大学教育学部紀要. 自然科学},
 month = {Mar},
 note = {In this paper we prove an inequality concerning the exponential function., 長崎大学教育学部紀要. 自然科学, vol.77, pp.1-2; 2009},
 pages = {1--2},
 title = {An Inequality on the Exponential Function},
 volume = {77},
 year = {2009}
}