Singhal Pramod Kumar <br/><br/>
Quasi-ideals in semigroup rings 

 -  1986 
 - 110p.  p.  cm. 
<br/><br/><label>Standard No.: </label>75525 
<br/><br/><label>Source: </label> Theses 
<br/><br/><label>Subjects--Topical Terms: </label><br/>MATHEMATICS