Figueiredo, D G De <br/><br/>
Lectures on the ekeland variational principle with applications and detours    

 - New York:   Springer Verlag,   1989 
 - 96p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Universal Decimal Class. No.: </label>517.951  / M9