Clifford, A. H. (Alfred Hoblitzelle), 1908-  Clifford, A. H. (Alfred Hoblitzelle), 1908- <br/><br/>
The algebraic theory of semigroups, 
by A.H. Clifford and G.B. Preston. 
 - Providence,  American Mathematical Society,  1961- 
 - Mathematical surveys ;  no. 7 .
<br/><br/>Bibliography: v. 1, p. 209-216. 
<br/><br/><label>LCCN: </label>61015686 //r832 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Semigroups.
<br/><br/><label>LC Class. No.: </label>QA171  / .C55 
<br/><br/><label>Dewey Class. No.: </label>512.86