Aubin, J. P. <br/><br/>
Set-valued analysis / 
Jean-Pierre Aubin, Helene Frankowska 
 - Boston, MA. :  Birkhauser,  1990 
 - xix, 461 p. :  ill. ;  24 cm. 
 - Systems & control  v.2 .
<br/><br/>p. 421-455 
<br/><br/><label>ISBN: </label>0817634789  RM361.82 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Set--valued maps