Figueiredo, D. G. De  <br/><br/>
Lectures on the ekeland variational principle with applications and detours 
/ by D. G. De Figueiredo 
 - New Delhi  Narosa Publishing House  1989 
 - 96p. 
<br/><br/><label>Dewey Class. No.: </label>515.7  / FIG/T