Snellman, Jan <br/><br/>
A graded subring of an inverse limit of polynomial rings 
Jan Snellman 
 - Stockollms  1998  Stockolms Universitet 
 - VIII, 123 p  24 cm 
<br/><br/> Contine bibliogr 
<br/><br/><label>ISBN: </label>9171537112