Handbook of utility theory / 
edited by Salvador Barbera, Peter J. Hammond, and Christian Seidl 
 - Boston :  Kluwer Academic Publishers,  2004 
 - 2 v. :  ill. ;  25 cm. 
<br/><br/>References : p. 1274-1285 
<br/><br/> Extensions  vol. 2. 
<br/><br/><label>ISBN: </label>0792381742 (hb : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Utility theory