Functional equations in several variables with applications to mathematics, information theory and to the natural and social sciences / [[Book] :]
J. Acz�l, J. Dhombres.
- Cambridge : Cambridge University Press, 1989.
- xiii, 462 p. : ill. ; 25 cm.
- Encyclopaedia of mathematics and its applications .
- Encyclopedia of mathematics and its applications. .
Includes bibliographical references.
0521352762 0521063892
920031250
Functional equations. Functions of several real variables. �quations fonctionnelles. Fonctions de plusieurs variables r�elles.