Feigelstock S. <br/><br/>
Additive groups of rings 

 - Boston  P.A. Pub. Program  1983 
 - 113 p. 
 -  83 .
<br/><br/> 19485 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics
<br/><br/><label>Dewey Class. No.: </label>512.815  / F