Conservation Rules of Direct Sum Decomposition of Groups
Nakasho, Kazuhisa, Yamazaki, Hiroshi, Okazaki, Hiroyuki, Shidama, Yasunari
Egoroff's Theorem
Endou, Noboru, Shidama, Yasunari, Narita, Keiko
Isomorphisms of Direct Products of Finite Cyclic Groups
Arai, Kenichi, Okazaki, Hiroyuki, Shidama, Yasunari