Goddard, L. S.  <br/><br/>
Mathematical Techniques of Operational Research 

 - Oxford :   Addison Wesley,   1963. 
 - p. 230 
 - Adiwes International Series. Pergamon Press International Series of Monographs on Pure and Applied Mathemati .
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATEMATICA
<br/><br/><label>Universal Decimal Class. No.: </label>51