Gratzer, George,  1936- <br/><br/>
Universal algebra / 
George Grèatzer. 
 - Princeton, N. J. :  Van Nostrand,  [1968]. 
 - xvi, 368 p. :  ill. ;  24 cm. (The University series in higher m athematics) 
<br/><br/>Bibliography: p. 330-359. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebra, Universal.
<br/><br/><label>Dewey Class. No.: </label>512.89 GRA