@article{oai:u-ryukyu.repo.nii.ac.jp:02006973,
 author = {Takaku, Akira and 高久, 章},
 issue = {19},
 journal = {琉球大学理工学部紀要. 理学編, Bulletin of Science & Engineering Division, University of Ryukyus. Mathematics & natural sciences},
 month = {Mar},
 note = {紀要論文},
 pages = {27--31},
 title = {Elementary Proof of ‘The Class Number of Q(√e) is odd when l is prime，},
 year = {1975}
}