Das, Tara P. <br/><br/>
Relativistic quantum mechanics of elections/ 
Tara Prasad Das. 
 - New York:  Harper & Row,  1973. 
 - viii, 279 p.;  27 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0060414987 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum electrodynamics.<br/>Dirac equation.<br/>Electrons.<br/>Many--body problem.