TY  - JOUR
AU  - A. I. Ivanov
AU  - G. S. Lomakin
AU  - O. A. Ponomarev
TI  - Investigation of systems with quadratic interaction by the method of functional derivatives
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1979
SP  - 273
EP  - 284
VL  - 41
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1979_41_2_a9/
LA  - ru
ID  - TMF_1979_41_2_a9
ER  -