@article{oai:soar-ir.repo.nii.ac.jp:00018409,
 author = {Futa, Yuichi and Okazaki, Hiroyuki and Mizushima, Daichi and Shidama, Yasunari},
 issue = {1},
 journal = {Formalized Mathematics},
 month = {Jan},
 note = {Article, Formalized Mathematics. 20(1): 87-95 (2012)},
 pages = {87--95},
 title = {Operations of Points on Elliptic Curve in Projective Coordinates},
 volume = {20},
 year = {2012}
}