Kaufmann, Arnold. <br/><br/>
Introduction to operations research /  
A. Kaufmann, R. Faure ; translated by Henry C. Sneyd. 
 - [4th ed.]. 
 - New York, etc. :   Academic Press,   [1973] 
 - XI, 300 p. ;   24 cm. 
 - Mathematics in science and engineering ;   47 .
 - Mathematics in science and engineering ;   47 .