Chakravarty, Satya R. <br/><br/>
Ethical social index numbers 
Satya R. Chakravarty 
 - Berlin  Springer-Verlag  1990 
 - 309p.; 24cm. 
<br/><br/><label>ISBN: </label>3540522743 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Income distribution--Mathematical models