The Basic Existence Theorem of Riemann-Stieltjes Integral
Nakasho, Kazuhisa, Narita, Keiko, Shidama, Yasunari
Formalization of the Data Encryption Standard
Okazaki, Hiroyuki, Shidama, Yasunari
Embedded Lattice and Properties of Gram Matrix
Futa, Yuichi, Shidama, Yasunari