Kuczma, Marek. <br/><br/>
An introduction to the theory of functional equations and inequalities : Cauchy's equation and Jensen's inequality/ 
Marek Kuczma. 
 - Wyd. 1. 
 - Warszawa:  Katowice:  Pánstwowe Wydawn. Naukowe,  Uniwersytet Slaski,  1985. 
 - 523 p. ;  24 cm. 
 - Prace naukowe Uniwersytetu Slaskiego w Katowicach,  nr. 489.  0208-6336 .
<br/><br/> Errata slip inserted. 
<br/><br/>Includes bibliographical references (p. [504]-516). 
<br/><br/><label>ISBN: </label>8301055081 
<br/><br/><label>LCCN: </label>89218511 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional equations.<br/>Inequalities (Mathematics)<br/>Additive functions.<br/>Convex functions.
<br/><br/><label>Dewey Class. No.: </label>515.7  / K95i