Aczel, J. <br/><br/>
On applications and theory of functional equations   

 - New York  Academic Press  1969 
 - 64p. Bibl. 
 - Elemente der Mathematik vom hoheren Standpunkkaus   v. 5 .
<br/><br/>  
<br/><br/><label>Dewey Class. No.: </label>515.1  / Ac189.OA