Riemann Integral of Functions R into C
Miyajima, Keiichi, Kato, Takahiro, Shidama, Yasunari
Integrability and the Integral of Partial Functions from R into R1
Endou, Noboru, Shidama, Yasunari, Yamazaki, Masahiko
Differentiable Functions into Real Normed Spaces
Okazaki, Hiroyuki, Endou, Noboru, Narita, Keiko, Shidama, Yasunari