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

 - Boston  Pitman Advanced Publishing Program        1983 
 - 113p.  cm. 
 - Research notes in mathematics; 83 .
<br/><br/><label>Standard No.: </label>40204 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Combination<br/>Permutation
<br/><br/><label>Dewey Class. No.: </label>B217, M3