Muta Masanori. The representation and the Semi-Direct Product of U(ε)-Algebras. Journal of the Faculty of International Studies of Culture, Kyushu Sangyo University. 1997. 10. 10. 51-56
The representation and the semi-direct product of U(ε)-algebras. Journal of the Faculty of Ingernational Studies of Culture. 1997. 10. 51-56