Smith, Donald R. <br/><br/>
Variational methods in optimization   
by Donald R. Smith 
 - New Jersey  Prentice-Hall  1974 
 - xv, 378p. 
<br/><br/><label>ISBN: </label>0139406271 
<br/><br/><label>Dewey Class. No.: </label>519.6  / N74;2 R(T)