TY  - BOOK
AU  - Popov,V.N
TI  - Functional integrals & collective excitation: partly based on lectures at Inst. fur theoretische physiki freie univ. west berlin
T2  - Cambridge monographs on mathematical physics
SN  - 9780521307772
U1  - 13.07 
PY  - 1987///
CY  - Cambridge
PB  - Cambridge University Press
ER  -