Kuczma, Marek. <br/><br/>
Iterative functional equations / 
Marek Kuczma, Bogdan Choczewski, Roman Ger. 
 - Cambridge [England] ;  New York :  Cambridge University Press,  1990. 
 - xix, 552 p. :  ill. ; 
<br/><br/><label>ISBN: </label>0521355613 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional equations.<br/>Functions of real variables.
<br/><br/><label>Universal Decimal Class. No.: </label>517.9  / KUC