Wightman, A S <br/><br/>
Troubles in the external field problelml for invariant wave equations 

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 - New York  Gordon and Breach  1971 
 - 68p.   
<br/><br/>  Tracts in mathematics and natural sciences, 4 
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<br/><br/><label>Subjects--Index Terms: </label>Atomic physics  Atomic nuclei  Nuclear physics  Cosmic rays  Cyclotron  Nuclear energy  Nuclear engineering  Nuclear reactors  particles- nuclear physics  Radiobiology  Physics  Particle physics 
<br/><br/><label>Dewey Class. No.: </label>539.128