[2] DUNFORD N., SCHWARTZ J. T.:
Linear operators. Part I, Interscience, New York 1958.
Zbl 0084.10402
[5] KUBOKAWA Y.:
Ergodic theorems for contraction semigroups. to appear in J. Math. Soc. Japan.
MR 0397444 |
Zbl 0299.47007
[6] KUBOKAWA Y.:
A local ergodic theorem for semi-group on $L_p$. to appear in Tohoku Math. J.
MR 0352405 |
Zbl 0289.47025
[7] ORNSTEIN D. S.:
The sums of iterates of a positive operator. Advances in Probability and Related Topics, Vol. 2, pp. 85-115, Dekker, New York 1970.
MR 0286977 |
Zbl 0321.28013