Lefschetz, Solomon, <br/><br/>
Applications of algebraic topology :  graphs and networks : the Picard-Lefschetz theory and Feynman integrals / 
S. Lefschetz. 
 - New York :  Springer-Verlag,  1975. 
 - viii, 189 p. :  ill. ; 
 - Applied mathematical sciences ;  v. 16 .
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>038790137X : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebraic topology.<br/>Graph theory.<br/>Electric networks.<br/>Feynman integrals.<br/>Picard-Lefschetz theory.
<br/><br/><label>Universal Decimal Class. No.: </label>515.14  / LEF