TY  - BOOK
AU  - Todorov, I. T..
TI  - Analytical Properties of Feynman Diagrams in Quantum Field Theory / 
SN  - 08 016544 3
U1  - CN1(E:3) 
PY  - 1979///
CY  - Oxford : 
PB  - Pergamon Press Ltd. , 
KW  - Physics <Feyman diagrams>
ER  -