1. BELLEY, J, et MORALES, P.: Régularité d'une fonction d'ensembles à valeurs dans un groupe topologique. Ann. Sc. Math. vol. III (1979), 185–197.
2. CONSTANTINESCU, C.: On Nikodym's Boundeness Theorem. Libertas Math. vol. 1 (1981), 51–73.
3. DIESTEL, J. and UHL, J.: Vector Measures. Math. Surveys, 15, (1977), Am. Math. Soc. Providence.
4. DRENOWSKI, L.: Descomposition of Set Functions. Studia Math. 48 (1973), 23–48.
5. —: Topological Rings of Set, Continuous Set Functions, Integration. Bull. Acad. Polon. Sci. Ser. Math. Astro. 20 (1972) 269–286, 439–445.