Yourgrau, Wolfgang and Mandelstam, Stanley <br/><br/>
Variational principles in dynamics and quantum theory   

 - New York  Dover  2007 
 - xiii, 201p. Bibl. Index. 
<br/><br/> "Purchased under NBHM grant for the year 2007-2008"   
<br/><br/><label>ISBN: </label>0486458881 
<br/><br/><label>Dewey Class. No.: </label>530.1  / Y81.VP