Bethe, Hans Albrecht,  1906- <br/><br/>
Quantum mechanics of one-and two-electron atoms / 
Hans A. Bethe and Edwin E. Salpeter. 
 - Berlin :  Springer-Verlag,  c1957. 
 - 368 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Many-body problem.<br/>Atoms.