@article{oai:hokusei.repo.nii.ac.jp:00002087,
 author = {吉田, 知行 and Yoshida, Tomoyuki},
 month = {2016-04-13},
 title = {等差数列の標準偏差の整数性とペル方程式x2−3y2= 1．},
 year = {}
}