On the functional equation f(x) g(y) = p(x+y) q(x/y). (Short Communication).
On the functional equation f(...(x) + g(y)) = ..(x) * h(x+y). (Short Communication).
On the functional equation f(...(x) + g(y)) = ...(x) * h(x+y).
On the Functional Equation f(x)g(y) = ...hi(aix + biy).
On the functional equation f(x+y) =f(x) +f(y)
On the functional equation H [tau (F,G), chi (F,G)] = H (F,G).
In this paper we solve the functional equationH [tau(F,G), chi (F,G)] = H (F,G)where the unknowns tau and chi are two semigroups on a space of distribution functions, and H is a given pointwise binary operation on this space satisfying some regularity conditions.
On the functional equation of Bellman in the theory of dynamic programming. (Short Communication).
On the Functional Equation of Cauchy.
On the functional equation of the secondary zeta-functions.
On the Functional Equation ... (x) + ... (y) = v(T(x, y))
On the general solution of a functional equation connected to sum form information measures on open domain. III.
On the general solution of a nonsymmetric partial difference functional equation analogous to the wave equation.
On the general solution of a system of functional equations.
On the General Solution of the Functional Equation f(x + y
On the general solution of the triangle mean value equation. (Short Communication).
On the general solution of the triangle mean value equation.
On the generalised equations of associativity and bisymmetry.
On the generalizations of two Ozeki's results
On the generalized cube and octahedron functional equations.
On the generalized Hyers-Ulam stability of a Cauchy-Jensen functional equation.