Rivière, Tristan,  1967- <br/><br/>
The role of conservation laws and integrability by compensation in the analysis of conformally invariant varational problems/ 
Tristan Rivière. 
 - São Carlos:  RiMa,  2010. 
 - 68 p.;  25 cm. 
<br/><br/><label>ISBN: </label>9788576561835 
<br/><br/><label>Dewey Class. No.: </label>516.36  / R625r