Korovkin, P. P. <br/><br/>
Inequalities 

 - Moscow :   Mir Publishers,  1974. 
 - 71p.  : ill.   ; 20cm.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inequalities (Mathematics)
<br/><br/><label>LC Class. No.: </label>PAM QA295.K5