Further mathematics for economic analysis / 
Knut Sydster ... [et al.] 
 - 2nd ed. 
 - New York :  Prentice Hall,  2008 
 - xi, 616 p. :  ill. ;  25 cm. 
<br/><br/>References: p. [605]-607 
<br/><br/><label>ISBN: </label>9780273713289  RM331.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics, Mathematical