Petrich, Mario <br/><br/>
Comlpetely regular semigroups 

 - New York  John Wiley  1999 
 - x,481 p. 
 - Canadian Mathematical Society Series of Monographs and Advanced text .
<br/><br/><label>ISBN: </label>0471195715 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GROUP THEORY<br/>SEMIGROUPS
<br/><br/><label>Dewey Class. No.: </label>512.2  / PET