Griffiths, Phillip,  1938- <br/><br/>
Exterior differential systems and the calculus of variations / 
Phillip A. Griffiths 
 - 335 páginas 
 - Progress in mathematics ;  v. 25 .
<br/><br/><label>ISBN: </label>3764331038 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cálculo de variaciones<br/>Sistemas diferenciales exteriores
<br/><br/><label>LC Class. No.: </label>QA316  / G84