Feynman, Richard Phillips. <br/><br/>
Feynman's thesis :  a new approach to quantum theory / 
 New approach to quantum theory. 
editor, Laurie M. Brown. 
 - Singapore :  World Scientific,  [2005]. 
 - xxii, 119 p. ;  23 cm. 
<br/><br/> First paper originally presented as R.P. Feynman's thesis (Ph. D.--Princeton University, 1942).  Second paper originally published: 1948; third paper originally published: 1933. 
<br/><br/>Includes bibliographical references. 
<br/><br/>The principle of least action in quantum mechanics / R.P. Feynman -- Space-time approach to non-relativistic quantum mechanics / R.P. Feynman -- The Lagrangian in quantum mechanics / P.A.M. Dirac. 
<br/><br/><label>ISBN: </label>9812563660  RM103.60 9812563806 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quantum theory.<br/>Least action.<br/>Lagrangian functions.