References
Aczél, J., Haruki, H., McKiernan, M. A. andSakovič, G. N.,General and Regular Solutions of Functional Equations Characterizing Harmonic Polynomials, Aequationes Math.1, 37–53 (1968).
Djoković, D. Ž.,Triangle Functional Equation and Its Generalization, Univ. Beograd. Publ. Elektrotehn. Fak. Ser. Mat. Fiz., No. 181–196, 47–52 (1967).
Haruki, H.,On a ‘Cube Functional Equation’, Aequationes Math.3, 156–159 (1969).
Haruki, H., (Private communication).
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Etigson, L. Equivalence of ‘cube’ and ‘octahedron’ functional equations. Aeq. Math. 10, 50–56 (1974). https://doi.org/10.1007/BF01834781
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF01834781