Equivalent Expressions of Direct Sum Decomposition of Groups1
Nakasho, Kazuhisa, Okazaki, Hiroyuki, Yamazaki, Hiroshi, Shidama, Yasunari
Lattice of ℤ-module
Futa, Yuichi, Shidama, Yasunari
Integrability and the Integral of Partial Functions from R into R1
Endou, Noboru, Shidama, Yasunari, Yamazaki, Masahiko