Sinha, K.B <br/><br/>
Theory of semigroups & applications 
K.B. Sinha & S. Srivastava 
 - India  Hindustan Book Agency  2017 
 - x  167 
 - TRIM 74 .
<br/><br/><label>ISBN: </label>9789386279637 
<br/><br/><label>Dewey Class. No.: </label>515.7  / SIN