Feigelstock, S <br/><br/>
Additive groups of rings / 
S. Feigelstock 
 - Boston :  Pitman Advanced Pub. Program,  1983 
 - 113 p. :  24 cm. 
 - Research notes in mathematics ;  83 .
<br/><br/>Bibliography : p.105-109 
<br/><br/><label>LCCN: </label>82-22412 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abelian groups