Kuczma, Marek. <br/><br/>
An introduction to the theory of functional equations and inequalities  : Cauchy's equation and jensen's inequality 
/ by Marek Kuczma 
 - 2nd ed. 
 - USA:   Birkhauser Boston Inc.,   2009. 
 - xiv, 595p. 
<br/><br/><label>ISBN: </label>9783764387488 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Borel sets<br/>Math<br/>Set theory<br/>Topology
<br/><br/><label>Dewey Class. No.: </label>515.75  / KUC/A