Submodule of free Z-module
Futa, Yuichi, Okazaki, Hiroyuki, Shidama, Yasunari
Definition of Flat Poset and Existence Theorems for Recursive Call
Ishida, Kazuhisa, Shidama, Yasunari, Grabowski, Adam
Operations of Points on Elliptic Curve in Projective Coordinates
Futa, Yuichi, Okazaki, Hiroyuki, Mizushima, Daichi, Shidama, Yasunari