Sapir, M.V <br/><br/>
Combinatorial algebra   Syntax and semantics 
M.V Sapir 
 - New York  Springer  2014 
 - xvi, 355p. 
<br/><br/><label>ISBN: </label>9783319080307  4577.23 
<br/><br/><label>Dewey Class. No.: </label>511.6 Sa67C