BLACKORBY Charles, and others <br/><br/>
Welfarist proof of Arrow's theoren. 
BLACKORBY Charles, and others 
 - British  Columbia University of British Columbia        1990 
 - 42p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Dewey Class. No.: </label>X:(B2893).N90, N0