Birman, Joan S <br/><br/>
Braids, Links, and mapping class groups 
Joan S. Birman 
 - Princeton  Princeton univ. press  1974 
 - IX, 227 p  fig  24 cm 
 - Annals of mathematics studies  82 .
<br/><br/> Contine bibliogr. si index 
<br/><br/><label>ISBN: </label>0691081492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Representatii si grupuri