Okninski, Jan <br/><br/>
Semigroups of matrices  / 

 - Singapore:  World Scientific,  1998 
 - xiv, 311p. Bibl. Index. 
 - Series in Algebra   v.6 .
<br/><br/><label>ISBN: </label>9810234457 
<br/><br/><label>Dewey Class. No.: </label>512  / Ok41.SM