1. Bănulescu, M.: Absolutely continuous potential kernels on locally compact groups. Bull. Math. Soc. Sci. Math. R.S. Roumanie Nouv. Sér. 25(73), 227–239 (1981)
2. Berg, C., Christenssen, J.P.R., Ressel, P.: Harmonic Analysis on Semigroups. Theory of Positive Definite and Related Functions. Springer, New York (1984)
3. Beznea, L.: Absolutely continuous potential kernels on homogeneous spaces. Stud. Cercet. Mat. 38, 264–283 (1986)
4. Beznea, L., Boboc, N.: On the integral representation for excessive measures. Revue Roumaine Math. Pures Appl. 40, 725–734 (1985)
5. Beznea, L., Boboc, N.: Excessive functions and excessive measures: Hunt’s theorem on balayages, quasi-continuity. In: Classical and Modern Potential Theory and Applications, NATO ASI Series C 430, pp. 77–92. Kluwer, Dordrecht (1994)