TY  - JOUR
AU  - N. N. Bogolyubov (Jr.)
AU  - D. Ya. Petrina
TI  - On a class of model systems that admit a~lowering of powers in the Hamiltonian in the thermodynamic limit. I
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1977
SP  - 231
EP  - 245
VL  - 33
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TMF_1977_33_2_a6/
LA  - ru
ID  - TMF_1977_33_2_a6
ER  -