This is a preview of subscription content, log in via an institution to check access.
References
Aczél, J.,Lectures on Functional Equations and Their Applications (Academic Press, New York—London 1966).
Brown, L. D.,Sufficient Statistics in the Case of Independent Random Variables, Ann. Math. Statist.35, 1456–1474 (1964).
Darboux, G.,Sur le théorème fondamental de la géométrie projective, Math. Ann.17, 55–61 (1880).
Denny, J. L.,Sufficient Conditions for a Family of Probabilities to be Exponential, Proc. Nat. Acad. Sci.57, 1184–1187 (1967).
Fréchet, M.,Pri la funkcia equacio f(x+y)=f(x)+f(y), Enseignement Math.15, 390–393 (1913).
Gaal, S. A.,Point Set Topology (Academic Press, New York 1964).
Hamel, G.,Eine Basis aller Zahlen und die unstetigen Lösungen der Funktionalgleichung f(x+y)= =f(x)+f(y), Math. Ann.60, 459–462 (1905).
Hewitt, E. andStromberg, K.,Real and Abstract Analysis (Springer, Berlin, Heidelberg, New York 1965).
Pfanzagl, J.,On a Functional Equation Related to Families of Exponential Probability Measures, Aequationes Math.4, 139–142 (1970).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Pfanzagl, J. On the functional equationϕ(x)+ϕ(y)=ψ(T(x,y)) . Aequat. Math. 6, 202–205 (1971). https://doi.org/10.1007/BF01819752
Received:
Published:
Issue Date:
DOI: https://doi.org/10.1007/BF01819752