1. Eigenoperators of ergodic transformations;Beck;Trans. Amer. Math. Soc.,1960
2. Linear Operators;Dunford,1966
3. Vector-valued eigenfunctions of ergodic transformations;Flytzanis;Trans. Amer. Math. Soc.,1978
4. Invariant subspaces of measure preserving transformations;Foguel;Israel J. Math.,1964
5. The finite multipliers of infinite ergodic transformations;Furstenberg,1977