1. Aczél, J., Lectures on Functional Equations and their Applications, Academic Press, New York, 1966.
2. Arrow, K., Social Choice and Individual Values, Wiley, New York, 1951, 1964.
3. Bourbaki, N., Espaces Vectoriels Topologiques, Hermann, Paris, 1966.
4. Carling, L. N., ?Linear Inequalities and the Abstract Moment Problem in Topological Vector Spaces?, Math. Scand. 21 (1969), 221?231.
5. Domotor, Z., Probabilistic Relational Structures and their Applications, Tech. Rep. No. 144, Institute for Mathematical Studies in the Social Sciences, Stanford University, 1969.