Burris, S. <br/><br/>
A course in universal algebra / 
S. Burris, H.P. Sankappanavar 
 - New York :  Springer-Verlag,  1981 
 - 276 p. :  ill. ;  25 cm. 
 - Graduate texts in mathematics  78 .
<br/><br/>Includes index Bibliography : p. 257-265 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra, Universal