Landau, L.D. and Lifshitz, E.M.  <br/><br/>
Classical theory of fields   : course of theoretical physics vol. 2  
Landau, L.D. and Lifshitz, E.M.  
 - 4th ed.  
 -   Elsevier  1986 
<br/><br/><label>Dewey Class. No.: </label>530.12  / N86 LAN.L