Henry, S. G. B <br/><br/>
Elementary mathematical economics / 
by S. G. B. Henry 
 - London :  Routledge & Kegan Paul,  1969 
 - x, 111 p. :  ill. ;  20 cm. 
<br/><br/>Bibliography : p. (106-109) 
<br/><br/><label>ISBN: </label>4710062087 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics, Mathematical