TY  - BOOK
AU  - LEFSCHETZ, S.
TI  - Applications of algebric topology; graphs and networks, the Picard-Lefschetz theory and Feynman intergals
U1  - 513.83 L44A 
PY  - 1975///
PB  - N.Y.
KW  - ALGEBRAIC TOPOLOGY
KW  - ELECTRIC NETWORKS
ER  -