Riemann-Stieltjes Integral
Narita, Keiko, Nakasho, Kazuhisa, Shidama, Yasunari
The First Mean Value Theorem for Integrals
Narita, Keiko, Endou, Noboru, Shidama, Yasunari
Riemann Integral of Functions from R into Real Normed Space
Miyajima, Keiichi, Kato, Takahiro, Shidama, Yasunari