Kleinert, H <br/><br/>
Generating functionals for harmonic expectation values of paths with fixed end points: Feynman diagrams for nonpolynomial interactions.  [electronic resource] 

 -  Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics  Sep 1999 
 - 2510-27 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1063-651X 
<br/><br/><label>Standard No.: </label>10.1103/physreve.60.2510  doi