Mathematics for economists 
By B C Mehta 
 - 8th. 
 - New Delhi:  S chand & sons,998. 
 - xi, 729 p.:  25 cm. 
<br/><br/><label>ISBN: </label>81-7014-173-7 
<br/><br/><label>Dewey Class. No.: </label>330.0151