1. S. Karlin and W. J. Studden,Tchebycheff Systems: with Applications in Analysis and Statistics, Interscience, New York, 1966.
2. S. Karlin and Z. Ziegler,Generalized absolutely monotone functions, Israel J. Math.3 (1965), 173–180.
3. Z. Ziegler,Generalized convexity cones, Pac. J. Math.17 (1966), 561–580.
4. R. R. Phelps,Lectures on Choquet’s Theorem, Van Nostrand, New York, 1966.
5. J. Horváth,Topological Vector Spaces and Distributions, vol. 1, Addison-Wesley, 1966.