Seneta, E. <br/><br/>
Non-negative metrices  an introducation to theory and applications 
by E.Seneta 
 - London  George Allen & Unwin Ltd.  1973 
 - x, 214p.  incl. bibl. & ind. 
<br/><br/><label>ISBN: </label>0045190119 
<br/><br/><label>Dewey Class. No.: </label>512.943  / N73