Riemann Indefinite Integral of Functions of Real Variable
Shidama, Yasunari, Endou, Noboru, Wasaki, Katsumi
Contracting Mapping on Normed Linear Space
Miyajima, Keiichi, Korniłowicz, Artur, Shidama, Yasunari
Integrability of Multivariable Continuous Functions
Endou, Noboru, Shidama, Yasunari