On the Functional Equation f(p + qx + rf(x)) = a + bx + cf(x).
On the functional equation f(x) = ...f((x+j)/k) over finite rings.
On the Functional Equation f(x) = ...f((x+j)/k) Over Finite Rings. (Short Communication).
On the functional equation f(x +f(y)) = f(x)f(y).
On the functional equation f(x + f(y)) = (x) f(y). (Short Communication).
On the functional equation f(x) g(y) = p(x+y) q(x/y).
On the functional equation f(x) g(y) = p(x+y) q(x/y). (Short Communication).
On the Functional Equation f(x)g(y) = ...hi(aix + biy).
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 General Solution of the Functional Equation f(x + y
On the homogeneity of additive mappings.
On the orbits of hat-functions
On the recursive sequence .
On the regular solutions of a linear functional equation
On the solution of a functional equation F. Vajzović
On the Uniqueness of Solutions of the Functional Equation ... .
On the Uniqueness of the Representation of Functions in the Form ... .
On the Weierstrass functions, Sigma, Zeta, Pe, and their functional and differential equations.