Lefschetz, Solomon,  1884-1972. <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.;  26 cm. 
 - Applied mathematical sciences ;  v. 16. .
 - Applied mathematical sciences (Springer-Verlag New York Inc.);  v. 16. .
<br/><br/> Includes indexes. 
<br/><br/>Bibliography: p. 181-182. 
<br/><br/><label>ISBN: </label>038790137X :  $9.50 
<br/><br/><label>LCCN: </label>75006924 //r84 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Algebraic topology.<br/>Graph theory.<br/>Electric networks.<br/>Feynman integrals.
<br/><br/><label>Dewey Class. No.: </label>514.2   / L495a