Uniqueness of Factoring an Integer and Multiplicative Group Z/pZ*
Okazaki, Hiroyuki, Shidama, Yasunari
Riemann Integral of Functions from R into n-dimensional Real Normed Space
Miyajima, Keiichi, Korniłowicz, Artur, Shidama, Yasunari
More on the Continuity of Real Functions
Narita, Keiko, Kornilowicz, Artur, Shidama, Yasunari