Wentzel, E. S. <br/><br/>
Operation research: A methodological approach 

 - Moscow  Mir publishers           1983 
 - 256 p.  Includes bibliographical reference and index 
<br/><br/><label>Source: </label> Reference  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Operation research<br/>Mathematical models