El-Hawary, M.E <br/><br/>
Optimal economic operation of electric power systems 

 - New York  Academic Press  1979 
 - xv+278p 
 -  Mathematics in science and engineering <142=one hundred and fortytwo>  Bellman, Richasrd .
<br/><br/><label>Universal Decimal Class. No.: </label>621.311  / EL-H.79