On Some New Generalizations of the Functional Equation of Cauchy

Examining certain problems in physics M. Hosszu [l] obtained the functional equation (1) where x, y, f are real. In another paper M. Hosszu [2] proved that the equation (1) is equivalent to the functional equation of Cauchy; i. e., to the equation (1) under the assumption that x is real and f is rea... View More