1. I. Ameniya, S. Okada and Y. Okazaki, Pre-Radon measures on topological spaces, Kodai Math. J. 1 (1978), p. 101–132.
2. C. Dellacherie and P.-A. Meyer, Probability and Potentials, North Holland, Amsterdam 1978.
3. R.M. Dudley, Probability and metrics, Mat. Inst., Aarhus Univ., Lecture Notes Series No. 45. 1976.
4. N. Dunford and J.T. Schwartz, Linear operators I, Interscience Publishers Inc. 1958, New York.
5. R. Engelking, General Topology, PWN, Warszawa, 1977.