1. W. Arendt, Spectral properties of Lamperti operators. Indiana Univ. Math. J.32, 199?215 (1983).
2. H.Hanche-Olsen and E.St�rmer, Jordan operator algebras. Boston-London-Melbourne 1984.
3. J. E. Jamison andM. Rajagopalan, Weighted composition operators onC (X, E). J. Operator Theory19, 307?317 (1988).
4. R. V.Kadison and J. R.Ringrose, Fundamentals of the theory of operator algebras, Vol 1: Elementary theory. London-New York-San-Francisco 1983.
5. H. Kamowitz, Compact operators of the formuC ? . Pacific J. Math.80, 205?211 (1979).