Stenstrom, Bo <br/><br/>
Rings of quotients  an introduction to methods of ring theory 
Bo Stenstrom 
 - New York  Springer-Verlag  1975 
 - 309 p. ; 25 cm. 
 - Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen  bd. 217 .
<br/><br/>p. 295-304 
<br/><br/><label>ISBN: </label>3540071172 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quotient rings<br/>Torsion theory (Algebra)<br/>Categories (Mathematics)