Fundamental methods of mathematical economics/ 
Chiang,Alpha C. 
 - 4th.ed. 
 - Boston:  Mcgraw  hill,  2005. 
 - 688 
<br/><br/><label>ISBN: </label>9780071238236 
<br/><br/><label>Dewey Class. No.: </label>330.0151  / CHI/F