Yourgrau, Wolfgang. <br/><br/>
Variational principles in dynamics and quantum theory 
by Wolfgang Yourgrau and Stanley Mandelstam. 
 - 2d ed. 
 - London  Pitman  [1960] 
 - 180 p.  illus. 
<br/><br/><label>LCCN: </label>61000778 /L/r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Variational principles.<br/>Quantum theory<br/>Dynamics
<br/><br/><label>LC Class. No.: </label>QC6  / .Y6 1960 
<br/><br/><label>Dewey Class. No.: </label>530.1