訂正日: 2006/10/20訂正理由: -訂正箇所: 引用文献情報訂正内容: Right : [1] H. Tanabe, Note on singular perturbation for abstract differential equations, Osaka J. Math., 1 (1964), 239-252. [2] T. Kato and H. Tanabe, On the abstract evolution equation, Osaka Math. J., 14 (1962), 107-133. [3] T. Kato, Abstract evolution equations of parabolic type in Banach and Hilbert spaces, Nagoya Math. J., 19 (1961), 93-125. [4] S. G. Krein, Linear Differential Equations in a Banach space, Moskow, 1967 (in Russian). [5] H. Tanabe, Evolution Equations, Iwanami, Tokyo, 1975 (in Japanese).