Kuczma, Marek (ed) <br/><br/>
An Introduction to the theory of functional equations and inequalities :   cauchy's equation and jensen's inequality / 
Marek Kuczma 
 - 2nd ed 
 - Boston :  Birkhauser,  2009 
 - xiv, 505p, 24cm. 
<br/><br/><label>ISBN: </label>9783764387488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional equations
<br/><br/><label>Dewey Class. No.: </label>515.75  / KUC