Laufer, Henry B <br/><br/>
Normal Two - Dimensional Singularities 
Henry B. Laufer 
 - Princeton, New Jersey  Princeton University Press  1971 
 - XI, 161 p  ill  23 cm 
 - Annals of Mathematics Studies  Number 71 .
<br/><br/> Contine bibliografie si index 
<br/><br/><label>ISBN: </label>69108100x