Constantin P. Niculescu, Lars-Erik Persson <br/><br/>
Convex Functions and Their Applications 

 - 2nd ed. 2018 
 -  Springer International Publishing  2018 
 - CMS Books in Mathematics .
<br/><br/><label>ISBN: </label>978-3-319-78337-6 
<br/><br/><label>ISSN: </label>2197-4152