Dubrovin B A <br/><br/>
Modern geometry - Methods and applications. 
Dubrovin B A 
 -  1984 
<br/><br/><label>Standard No.: </label>20215 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>B6, M4