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] E. Hille and R. Phillips, Functional Analysis and Semigroups, American Math. Soc., 1957. [2] T. Kato, Integration of the equation of evolution in a Banach space, J. Math. Soc. Japan, 5 (1953), 208-234. [3] T. Kato, Linear evolution equations of “hyperbolic” type, J. Fac. Sci. Univ. Tokyo, Sec. I, 17 (1970), 241-258. [4] T. Kato, Linear evolution equations of “hyperbolic” type, II, J. Math. Soc. Japan, 25 (1973), 648-666. [5] K. Yosida, Time dependent evolution equations in a locally convex space, Math. Ann., 162 (1965), 83-86. [6] K. Yosida, Functional Analysis, Third Edition, Springer, 1971.