@article{oai:tsukuba.repo.nii.ac.jp:00020547,
 author = {Ogawa, Takuma},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {65--77},
 title = {Similarities between the trigonometric function and the lemniscate function from arithmetic view point},
 volume = {29},
 year = {2005}
}