Dubrovin, B A <br/><br/>
Modern geometry: Methods and applications  

 - New York  Springer verlog  1990 
 - 416 p. 
 -  Pt.III .
<br/><br/> 20350 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>516  / D