Patra, P K <br/><br/>
Group theory and its applications / 
P K Patra, R K Thapa 
 -  Narosa,  2018. 
 - 194 p 
<br/><br/><label>ISBN: </label>9788184874266 
<br/><br/><label>Dewey Class. No.: </label>512.2  / PAT/G