Milton, Kimball A..  <br/><br/>
Electromagnetic Radiation: Variational Methods, Waveguides and Accelerators :   Including Seminal Papers of Julian Schwinger /  
Milton Kimball A., Schwinger Julian. 
 - Berlin :   Springer-Verlag,   2006. 
 - XVII, 590 s.:   il.;   24 cm. 
<br/><br/><label>ISBN: </label>3540292233