Field theory : A modern primer 
Ramond, Pierre. 
 - 2nd ed. 
 -  Addison-Wesley Publishing Company, Inc.  1990 
 - xix, 329 pages. 
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<br/><br/><label>Subjects--Topical Terms: </label><br/>Integrals, Path.
<br/><br/><label>Dewey Class. No.: </label>530.143 R35f 1990