Rektorys, Karel <br/><br/>
Variational methods in mathematics, science and engineering   

 - 2nd. 
 - Dordrecht  D. Reidel  1980 
 - 571p. Index 
<br/><br/> "Translated from the Czech by Michael Basch"   
<br/><br/><label>Dewey Class. No.: </label>515.64  / R381.VM