ECONOMISTS' mathematical manual 
Knut Sydsaeter ...[et.al]., 
 - 4th rev. ed. 
 - Berlin  Springer  c2005 
 - 237p.:  ill.;  24cm 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>3540260889 
<br/><br/><label>Subjects--Topical Terms: </label><br/>DPM, DKB<br/>Economics, Mathematical