Z-modules
Futa, Yuichi, Okazaki, Hiroyuki, Shidama, Yasunari
Matrix of ℤ-module1
Futa, Yuichi, Okazaki, Hiroyuki, Shidama, Yasunari
Riemann Integral of Functions from R into n-dimensional Real Normed Space
Miyajima, Keiichi, Korniłowicz, Artur, Shidama, Yasunari