TY  - BOOK
AU  - Schulman,L.S.
TI  - Techniques and application of path integration
SN  - 9780486445281
U1  - 530.12 SC81T 
PY  - 2005///
CY  - New York
PB  - Dover
KW  - Path integrals
KW  - Perturbation theory
ER  -