Lawson M V <br/><br/>
Inverse Semigroups, the Theory of Partial Symmetries 

 -  World Scientific  WSPC  1998 
<br/><br/><label>ISBN: </label>9789812816689 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics