TY  - BOOK
AU  - Simmonds,  James G. 
AU  - Mann, E James
TI  - A First Look at Perturbation Theory
SN  - 9780486675510
U1  - 820/SIM/F 
PY  - 1986///
CY  - New York     
PB  -  Dover Publications
KW  -  english literature
ER  -