Gaussian Integers
Futa, Yuichi, Okazaki, Hiroyuki, Mizushima, Daichi, Shidama, Yasunari
Isomorphisms of Direct Products of Finite Cyclic Groups
Arai, Kenichi, Okazaki, Hiroyuki, Shidama, Yasunari
Functional Space Consisted by Continuous Functions on Topological Space
Yamazaki, Hiroshi, Miyajima, Keiichi, Shidama, Yasunari