Beckenbach, E F Bellman, R <br/><br/>
Inequalities 

 - 3rd ed. 
 - New York  Springer - Verlag berlin heidelberg  1971 
 - xi, 198 p.; 23cm. 
<br/><br/><label>ISBN: </label>3540032835 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inequalities - mathematics