Akhiezer, Naum I. <br/><br/>
The Calculus of Variations. 

 - Primera Edición 
 - New York.:  Blaisdell Publishing Company,  1962. 
 - 247 páginas  Ejercicios  23 cms. 
<br/><br/>Equations of the Calculus of variations. Theory of fields. Generalizations of the fundamental problem. Direct methods of the calculus of variations 
<br/><br/><br/>En ingles 
<br/><br/><label>Subjects--Index Terms: </label>The Calculus of Variations. 
<br/><br/><label>Dewey Class. No.: </label>515  / A312