Czerwik, Stefan. <br/><br/>
Functional equations and inequalities in several variables  [Book] / 
Stefan Czerwik. 
 - Singapore ; :  World Scientific,  c2002. 
 - ix, 410 p. ;  25 cm. 
<br/><br/> All. 
<br/><br/><label>ISBN: </label>9810248377 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Functional equations.<br/>Inequalities (Mathematics).
<br/><br/><label>Dewey Class. No.: </label>515.75