Geodesic
On a System of Functional Equations
Publications de l'Institut Mathématique, _N_S_43 (1988) no. 57, p. 85 .

Voir la notice de l'article dans eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

We consider the system of functional equations (3), written in the matrix form (4). The general solution of this system is obtained provided that there exist λ,μ∈C such that λA+μB is nonsingular. The solutions are expressed by means of generalized inverses of matrices.
Classification : 39B30 15A09 
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     author = {Jovan D. Ke\v{c}ki\'c},
     title = {On a {System} of {Functional} {Equations}},
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     year = {1988},
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Jovan D. Kečkić. On a System of Functional Equations. Publications de l'Institut Mathématique, _N_S_43 (1988) no. 57, p. 85 . https://geodesic-test.mathdoc.fr/item/PIM_1988_N_S_43_57_a10/