1. Aczél J (1966) Lectures on functional equations and their applications. Academic Press, New York
2. Aliprantis CD, Border KC (2007) Infinite dimensional analysis: a Hitchhiker’s guide (3d Ed.). Springer-Verlag, Berlin
3. Allais M (1943) Traité d’Économie pure. Imprimerie Nationale, Paris
4. Bennet MK (1920) The theory of measurement of changes in cost of living. J R Stat Soc 83:445–62
5. Berge C (1959) Espaces topologiques: fonctions multivoques. Dunod, Paris