Bahri A. <br/><br/>
Critical Points at Infinity in Some Variational Problems 
/ by A.Bahri 
 - 1st 
 - New York  Longman Scientific & Technical  1989 
 - 307 
<br/><br/><label>ISBN: </label>0582021642 
<br/><br/><label>Dewey Class. No.: </label>515.64  / BAH/C